This book by Benedikt Kampert and Heiner Kruse explains what the GarageBand app for iPad and iPhone actually contains. From the basics (MIDI, audio) to the finished song, the structure of the app with the (touch) instruments, effects and mixing tools are presented in an easily understandable way with sample songs. The sample songs, additional material and bonus chapters are available for download.
From the content:
Get to know GarageBand: track display, instrument selection
Use the instruments: Virtual Drummer, Smart Guitar, Smart Bass and Co.
Master the touch instruments: smart controls, chords, notes, scales, scales, arpeggiator and much more.
Music production in track display: timing, tempo and tuning, recording and metronome, MIDI and audio, editing regions, working with loops and the piano role
The right mix: use volume, panorama, echo, reverb, equalizer and compressor correctly
Tips and tricks for different genres: Rock, Pop, Hip Hop and electronic music
Jamming and producing together with others
Use Inter-App Audio
Edit the project in GarageBand for Mac or Logic Pro X, if needed
GarageBand use in music lessons at school
With numerous production and sound samples for downloading