Sound-software and CCRMA related:

sox	different audio file utilities
ecasound	high quality audio recording, filtering and playback
cdrecord	burn ``Wav'' tracks in current directory
cdparanoia	copy cd tracks to a sound file in current directory
resample	change sample rate in a soundfile
sndplay	play a sound file
sndinfo	information about a sound file
sndrecord	record sound
sndsine	generate a sine signal