Sonata
Peice of music with 1 instrument with a piano
String quartet
2 violins, 1 viola and a chello
Chamber music
Music for a small room, could be a string quartet or piano, flute. Small group with anything.
Interrupted cadence
Instead of finishing in major, it flips to a minor cadence. Almost like a surprise.
Dominant 7th
4 notes, nice chord, wants to finish
Sonata form
Structure of a peice in classical. Exposition-subject 1,subject2
Development-modulated subject
Recapitation-subject1,subject2