Simplify the following text for a Grade 10 native English-speaking person.
Original: More often , pieces in a minor mode that have A-flat 's pitch as tonic are notated in the enharmonic key , G-sharp minor , because of G-sharp 's appreciably simpler key signature .
Simplified: More often , pieces in a minor mode that have A as the tonic are written in the enharmonic key , G-sharp minor , because it has a simpler key signature .