Included tools:
- alsactl: advanced controls for ALSA sound drivers
- alsaloop: create loopbacks between PCM capture and playback devices
- alsamixer: curses mixer
- alsaucm: alsa use case manager
- amixer: command line mixer
- amidi: read from and write to ALSA RawMIDI ports
- aplay, arecord: command line playback and recording
- aplaymidi, arecordmidi: command line MIDI playback and recording
- aconnect, aseqnet, aseqdump: command line MIDI sequencer control
- iecset: set or dump IEC958 status bits
- speaker-test: speaker test tone generator
