Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2 -《Imagine》 (Chord Falling CSharp Key)
Artist: Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2
Chord CSharp Key 125 hits
Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2 -《Die Zauberflote (魔笛)》 (Chord Falling F Key)
Artist: Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2
Chord F Key 125 hits
Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2 -《Everybody Hurts》 (Chord Falling C Key)
Artist: Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2
Chord C Key 124 hits
Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2 -《A Whiter Shade Of Pale》 (Chord Falling B Key)
Artist: Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2
Chord B Key 123 hits
Petr Chromcak,Procol Harum,Verdi,Albinoni,Donizetti,Offenbach,Wolfgang Amadeus Mozart,Czech Chamber Philarmonic Orchestra,Rem,Lennon,Liza Veiga,Vojtech Spurny,Simon Wadsworth,U2 -《Adágio》 (Chord Falling Bb Key)