Evolution rapper Baba Brinkman got me doing extra vocals and ukulele on "Dr Tatiana", and it's kinda dirty. If you like your science mixed with hip hip, get the rest.
Darren Hayman recorded a song every day of January 2011 - an epic project with beautiful results. I'm playing oboe on "Baby, Be Good To Me" with my sister Kat Arney.
The hip-hop remix of "Animals" appears as the opening track on 2011's Geek Pop Festival release: Geek Like Me. There's five more sciencey tracks for you to investigate over there - go go go!