The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From ASM Corporation:
ABChord is a very easy to use Guitar Chord Dictionary. If there is a specific chord you want to play, ABChord dictionary will show you which string you should play. Besides, if you shake your device, the corresponding sound will play. Hence, if you define which chords you wish to play, then you can play a full music, just by shaking your device. No need to have a guitar any more to play the most famous pop/rock musics. Because we care for you, we pre-defined the chords for legendary muscis (Beatles, Nirvana, Village people and so on). select the right chord and listen to the beat of your beloved musics. If you are lazy, just press play and enjoy the sound.