I found a couple of interesting music talks happening in March. The first one is all about MIDI sequencing, and moving away from the piano roll to something more rhythmic and appropriate for electronic music.
And the second is about one of the earliest electronic musical instruments, the Theremin
Meetup here at 6pm if you'd like to come for a drink before hand Korsan London [masked] Kingsland Rd, E2 8AL
Tickets and more info on the speeches here - http://supernatantlondon-es2002.eventbrite.com