12:00am - 1:00am

Grime for the Unconverted

[Repeated from Thursday 11pm.] Presented and mixed by DJ BPM, showcasing Grime classics, unreleased promos and new releases. This week: fresh dubs from Fench, Becky on the Beat, Big E-D, DJ Garna, DJ Absurd, Moscow Legend, Dexplicit, Muscle Beats, new releases from Fugzi, Psycho Embryo, OS, grime classics from Flow Dan, and K1. Listen to archive shows on Mixcloud. Twitter: @feraldubs

1:00am - 2:30am

Adventures in Sound and Music

[Repeated from Thursday 9pm.] New music with The Wire magazine. Visit thewire.co.uk for more information. 

2:30am - 3:30am

Fog Cast

[Repeated from Wednesday 11pm.] Robin The Fog presents a series of late-night, deep listening soundtracks for our current era of isolation. This week: the first half of the show is given over to a new collaboration between Left Hand Cuts Off The Right and Tasos Stamou, released last week on Brachliegen Tapes; before moving on to Leia Bordreuil's recent composition 'Past Continuous' and finishing with another track from Robbie Lee and Lea Bertucci's 'Winds Bells Falls'. Come drift into the night with us... Further details at: robinthefog.com

3:30am - 4:30am

Sleeping Dogs Lie

Ambient music selected by Miguel Santos to help night owls relax. For more information visit Sleeping Dogs Lie on Facebook, Mixcloud and WhitelabelRecs Bandcamp. [Repeats Monday 1am.]

4:30am - 5:00am

K-Pop Journey

[Repeated from Wednesday 9pm.] A weekly show dedicated to the phenomenon that is K-pop! Korean presenter Keissi takes you on a journey through Korean pop music from the 1990s to the present day. (Archive shows will be aired from 27 April to 12 June 2022). For more information visit K-Pop Journey on Facebook. For archive shows visit keissi.com/radioarchive

5:00am - 6:00am

Make Your Own Damn Music

[Repeated from Tuesday 9pm.] Artworld shenanigans with Bob and Roberta Smith OBE. This week's show is a mixture of records bought at Super Fly records on a recent trip to Paris. French language fitness records are jammed into music by Angelique Kidjo and Serge Gainsbourg.

6:00am - 7:00am

Polifony

[Repeated from Monday 10pm.] A monthly programme with Kristopher Winter, dedicated to the exploration of Eastern European culture. For more information visit Facebook. Listen to previous shows on Mixcloud

7:00am - 8:00am

Synaptic Island

[Repeated from Saturday 3.30pm.] A collective of DJs and artists explores a selected theme each week through music and conversation. This week’s theme is: Rêverie. Listen to archived shows on Mixcloud. For more information visit Synaptic Island on Twitter and Instagram

8:00am - 9:00am

Farside Radio

[Repeated from Wednesday 12pm.] Music from the catalogues of Far Side Music, the world's primary source for East Asian sounds, presented by Paul Fisher. This week: a tribute to Japanese shamisen player, singer, taiko drummer and guitarist Tsutomu Tanaka who died last week aged 48. A brilliant musician and a big personality, he will be missed by the many musicians and fans whose lives he touched. Listen to tracks of minyo (folk) and other roots music from his group Chanchiki and duo Tsukudanaka Sanpachi (with Koushi Tsukuda), and a special live recording with musicians from around the world at Rudolstadt festival in Germany in 2012. Visit farsidemusic.com for more information. 

9:00am - 10:00am

The Curtain Up Show

[Repeated from Friday 4pm.] Tim McArthur, Nathan Matthews and guests discuss London's vibrant theatre scene. Today's guest: Luke Friend from 'LIFT' at Southwark Playhouse. Visit thecurtainupshow.com for more information. In association with TodayTix. 

10:00am - 10:30am

The Waves

[Repeated from Tuesday 4pm.] Five short dramas exploring how contemporary Britain is affected by its colonial past. A Holy Mountain Production in association with Tamasha Theatre Company

10:30am - 10:45am

The View From A Shark

[Repeated from Tuesday 4.30pm.] Melissa McCarthy, author of ‘Sharks, Death, Surfers: An Illustrated Companion’, embarks on a five part  cultural dissection of the shark, spanning sea-creatures, cinema and great literature. Visit sharksillustrated.org for more information. 

10:45am - 11:00am

Night Of The Living Flatpacks

[Repeated from Tuesday 4.45pm.] Feelgood five-part drama series by disabled and deaf writers that lifts the lid off stereotypes and flatpacks. When wheelchair user Stella goes to Sharewoods for a bit of soft furnishing retail therapy, she immediately falls for shop worker Ali, then bumps into high maintenance old schoolfriend Erica. The three women end up locked in the store overnight, in a funny, upfront exploration of independence and friendship. A co-production between Naked Productions and Graeae Theatre Company. Supported by Audio Content Fund. 

11:00am - 12:00pm

Midnight Echoes

[Repeated from Wednesday 5.30pm.] A show that explores the liminal spaces between art, sound and modern composition. This month: experimental music from Lithuania featuring Gintas K, Lina Lapelytė and Arturas Bumšteinas. Presented by Ilia Rogatchevski. For more information visit rogatchevski.com. Instagram @iliarogatchevski

12:00pm - 1:30pm

The Ambrosia Rasputin ShowHighlight

Freewheeling music series with Ivor Kallin. This week's show mainly focuses on the London Improvisers Orchestra live from Iklectik this April. Other music also features, mostly improvised, some may feature an orchestra, some may be from London, and some may display none of these features. [Repeats Friday 1am.]

1:30pm - 2:00pm

Arty FactsHighlight

Arty Facts with Master J is a show about working in the arts. Today: Master J is joined by screenwriter James Ruzicka, poet Dennis Just Dennis, Youtuber Guy Flores, stand-up comedian Jason Kavan, and musical theatre performer Karen Holmes. In this zany edition of the show, each guest will nominate their choice for the worst song ever. The guests will debate, and try and defend their chosen songs. Points will be given and taken away. At the end of the show, the song with the highest score will officially be the 'worst song ever'. Be warned this show contains fun and a fair helping of mayhem. For more information visit Master J on Facebook. [Repeats Thursday 3.30am.]

2:00pm - 3:00pm

Calling All Pensioners

[Repeated from Monday 1pm.] Magazine programme with Tim Hamilton, addressing issues which affect pensioners across London. This week: the National Pensioners Convention submits its latest views for the government’s Department for Work and Pensions’ State Pension Age Review, and identifies that a loss of benefits is a major factor when considering reasons for the increase in pensioner poverty. Age UK Campaigns shares that MPs rate Age UK as the “most effective charity”. News of the 7th Kidbrooke Beer & Cider Festival, run by the SE London Campaign for Real Ale. Plus, a reminder of Age UK enlisting your support for older people in Ukraine at ageinternational.org.uk. Produced by Deptford Action Group for the Elderly.

3:00pm - 4:00pm

Chacombo

Crucial Peruvian music selections from Mamá Calor's vinyl collection spanning Festejo, Marinera, Música Criolla and Icaros. [Repeats Wednesday 4am.]

4:00pm - 5:00pm

The Outerglobe

[Repeated from Thursday 6.30pm.] Debbie Golt FRSA takes African music and wider arts and culture as her starting point. This week: Debbie gives Pakistani-British singer/composer/educator/healer Samia Malik space to talk up her dynamic new project and plays another mighty music mix. Listen out for Alexander D Great's very topical new calypso, Robert Carvalho, Deli Sosimi, Julie Coker, Isha Blender and Avalanche Kaita. Visit outerglobe.co.uk for more information. Tweet to @outerglobe

5:00pm - 6:00pm

Around The World With The Lallas

[Repeated from Tuesday 1.30pm.] Laura Pradelska and Lara Fraser share their international cultural interests, stemming from their respective careers as actor and producer as well as their joint DJ career as The Lallas.

6:00pm - 7:00pm

Sitting With Gianluca

Interviews and informed portraits of contemporary American musicians with our stateside correspondent Gianluca Tramontana. [Repeats Thursday 7am.]

7:00pm - 8:00pm

IsotopicaHighlight

Cultural sonic detours with artist Simon Tyszko. This week: Simon airs his dirty laundry, Alison Gil discusses her distributed Fibonacci Rabbit project, and Elo Masing, Dave Marick, and Aleks Kowkolski perform at the 100 Year Gallery. Visit theculture.net/ for more information. [Repeats Thursday 5am.]

8:00pm - 9:00pm

London Revisited

As part of our 20th anniversary celebrations, a repeat of the late John Nicholson's five part series exploring the hidden histories of the capital. First broadcast July 2005. [Repeats Wednesday 3.30pm.]

9:00pm - 10:00pm

The Organ presents The Other Rock Show

Marina Organ presents an hour of music that uses unconventional structures and 'other' time signatures – gathered from the worldwide undergrounds of math rock, avant prog, weird electronica and strange pop. This week's show includes new singles from Black Midi and High Castle Teleorkestra, plus Farmer, Bess of Bedlam, Mary Halvorson, The Eerie, and Ron Anderson's PAK. Follow the playlist on Twitter @OtherRockShow. Visit otherrockshow.wordpress.com for more information. [Repeats Thursday 8am.]

10:00pm - 11:00pm

Drones Of Hell

Ray Kirby presents an hour of Extreme Metal, featuring tracks old and new from the last three decades. For more information visit dronesofhell.blogspot.com. [Repeats Wednesday 2.30am.]

11:00pm - 12:00am

framework

A programme consecrated to field recording, phonography, and the art of sound-hunting, presented by Patrick Tubin McGinley. This week's edition has been produced by Aki Onda, and is entitled 'Nam June's Spirit Was Speaking To Me'. For more of his work see akionda.net. Visit frameworkradio.net for more information. [Repeats Wednesday 5am.]

12:00am - 1:00am

The Rob Simone Talk Show

[Repeated from Wednesday 9am.] Interviews with a wide range of alternative thinkers by the Los Angeles-based investigator of anomalous phenomena. This week: Former US Army intelligence officer Rob Collins discusses his direct knowledge of recovered alien technology, and the race to back engineer it before the Russian military could during the cold war. Visit robsimone.com for more information.