Stephen McCauley and Holly Lester host Lock-in Beats: an evening of incredible electronic music.

Join in from 7pm for iconic selections from the BBC Northern Ireland archive, plus new and exclusive performances, as well as special Celtronic 2020 Together : Apart festival sets.

Part 3 ends with sets from Or:la, Move D and Gerd Janson, recorded for Celtronic Together : Apart.

While earlier in the night there are archive sets from Lemon Jelly, Radioactive Man, Dave Clarke and Andrew Weatherall, plus new sets from Queen & Disco, Caoimhe Moreland, Space Dimension Controller and Holly Lester.

Stream live from 7pm on bbc.co.uk/nilive, on BBC Radio Foyle DAB and BBC Radio Foyle Sounds, and from midnight on BBC Radio Ulster and BBC Radio Foyle FM.