| http://www.w3.org/ns/prov#value | - For:* Tuning the instrument, generating exact references tones with the synthesizer* Testing of the hearing, the bandwidth of headphones and speakers or other audio or studios equipementFlashlight for the next campfireTimer to control the practising time 1 Free Pre-ordered Chords Book siad 1 Free Chords Book - a handy library with chords and tabs of your favorite songs for playing guitar.Features:
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