O Guarani em bash e SoX

#!/bin/bash

voice1=pluck
notes1="C4,1.3  F4,1  D#4,0.1 C#4,0.1 C4,1.2  F4,0.9 D#4,0.1 C#4,0.1 C4,0.5
        F4,0.5  F4,0.5 G#4,0.5 G4,0.135 G#4,0.135 G4,0.135  F4,0.135 Eb4,0.135
        F4,0.135 G,4"
notes2="G#3,1.3 G#3,1 A#3,0.1 A#3,0.1 G#3,1.2 C#4,0.9 A#3,0.1 A#3,0.1 G#3,0.5
        G#3,0.5 C4,0.5 F4,0.5 D#4,0.135 D#4,0.135 Eb4,0.135 Eb4,0.135 Eb4,0.135
        Eb4,0.135 Eb,4"

( for note in $(echo $notes1); do
        tone=$(echo $note | sed 's/,.*$//')
        dur=$(echo $note | sed 's/^.*,//')
        play -qn synth $dur $voice1 $tone
done ) &

( for note in $(echo $notes2); do
        tone=$(echo $note | sed 's/,.*$//')
        dur=$(echo $note | sed 's/^.*,//')
        play -qn synth $dur $voice1 $tone
done ) &