MusicToolkit Lite: Electric/Acoustic 12 String Guitar Tuner A by-ear Tuner with a huge variety of alternate tunings. Simply play the note on your device and tune your instrument to sound the same. It's easy and provides a greater benefit than a chromatic tuner as it teaches you to recognize the correct pitch of the strings, developing your musical abilities and enhancing your skill set since this is a very useful ability for any musician. All of these tunings are included for FREE: -Standar