Title says it all, say your favorite video game OST's (also your favorite music piece within the OST) Mine are Tales of Vesperia, (Fury Sparks) The Swindle, (Bish Bash Bosh Alarm) and Katawa Shoujo (Moment Of Decision)
My favorite from Harvest Moon. Album name: Harvest Moon - Back to Nature Song name: 34-ending song (boy & girl) I'm weird.