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
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 ALSA is the Advanced Linux Sound Architecture.