18 century Trill
Trill is a musical ornament consisting of a fast alternation between two notes, provides rhythmic, melodic, and harmonic interest. In18c, the details of trill of how to play the trill are up to the performer which every performer has to follow the ornaments rules from composer during the performances. In general, trills in this era are beginning on the note above written note, often producing the effect of a harmonic suspension which resolves to the principal note.
Ornament, Classical music