out_1 out_2 l_00 r_00 left_out right_out midi_out Midi Through Port-0 Midi Through \[14\] \(capture\): Midi Through Port-0 LPK25 MIDI 1 Alesis Recital MIDI 1 front-left front-right in_1 in_2 in_1 playback_1 playback_2 Midi Through Port-0 Midi Through \[14\] \(playback\): Midi Through Port-0 Synth input port \([0-9]+:0\) event_in