Abstração

1	https://www.ultimate-tabs.com/adalton-franca/abstracao-ukulele	Ukulele
2	https://www.ultimate-tabs.com/adalton-franca/abstracao-chords	Chords
3	https://www.e-chords.com/ukulele/adalton-franca/abstracao	Ukulele
4	https://www.e-chords.com/chords/adalton-franca/abstracao	Chords