Complex sentence: Its small size and higher pitch make mandolin notes decay faster than larger stringed instruments like guitar, which encourages the use of tremolo (rapid picking of one or more pairs of strings) to create sustained notes or chords.
Split into simpler sentences: Its small size and higher pitch make mandolin notes decay faster than larger stringed instruments like guitar. This encourages the use of tremolo (rapid picking of one or more pairs of strings) to create sustained notes or chords.