Simple iPhone music creation app's name? You can snap fingers and hum to create on 4 part band

Question

This is a really simple app with - like the image of a bass guitar against an orange field. You might sing "dum, dum-dum" rhythmically into the iPhone, and that's transformed into the bass line. I've been told this is similar to Garageband, but seems simpler.
Does anyone know the name of this app (& how to get it, if it's not easilly found in the app store)?
THANKS!

Answer 1

Dear Brian:
Create a Play List in iTunes.
Control-Click and open "Export" in the highlighted Playlist in iTunes.
With "Export" opened:
1. Click on "Format" and choose "M3U";
2. In "Save As" name your "WhatEverNamePlaylist.m3u"; and
3. In "Where" tell the program where to send your "WhatEverNamePlaylist.m3u".
You are done creating the Playlist.m3u in iTunes.
Open "Subsonic Web Page".
Left hand column open "Import playlist".
In "Import playlist" click "Choose File" and open the "WhatEverNamePlaylist.m3u"; you created in iTunes.
The "WhatEverNamePlaylist.m3u" should now occupy the space between "Choose File" and "OK".
Click "OK".
The file should now be in the "Playlist" on the left.