chromatic digital tuner

abstract automatic background bass batteries battery black chromatic detection digital display ear gadget gamut green guitar icon instrument instrumental instruments isolated light lighting lights major measure measurement melody meter minor mode modern music nobody noise note notes object octave of on one out pitch play playing power precision professional range scale sensor sharp shot sign signal sing singer single small sound sounds studio switch symbol technology tone tones tool tune tuner tunes tuning turn ukulele unstrung upset violin virtuoso white