music staves with rainbow colors. The clef sign is zeimusu_treble_clefs_3.svg (by zeimusu), the notes are derieved from crotchet-blue-happy.svg, crotchet-dot-black-happy.svg, double-semiquaver-orange.svg, quaver-red-happy.svg and quaver-yellow-unhappy.svg (by roSievers).