Related Information for Infant Sorrow Infant Sorrow is a band created for the film Forgetting Sarah Marshall. Aldous Snow (Russell Brand) plays the lead singer. Brand and Aldous Snow also appear in the spin-off, Get Him To The Greek, released in June 2010.Most songs were co-written by a variety of comedians including Mike Viola, Jason Segel and Lyle Workman. Jarvis Cocker also appears on a couple tracks... read more