Compose your ringtone like it was 1997
Use your phone buttons to dial the 7 musical notes and create all the monophonic ringtones that you want.
1->C
2->D
3->E
4->F
5->G
6->A
7->B
8->increase duration
9->decrease duration
0->insert a rest in your ringtone
*->increase duration by 1.5
+->modify the octave of the note