K 27 K 27 in B minor, Allegro K 27, L 449, B minor K 270 K 270 in C major, [ ] K 271 K 271 in C major, Vivo K 271a - allegro maestroso K 271a - Andante K 271a - Rondo K 272 K 272 in B flat major, Allegro K 273 K 273 in B flat major, Vivo K 274 K 274 in F major, Andante K 275 K 275 in F major, Allegro K 276 K 276 in F major, Allegro K 277 K 277 in D major, Cantabile andantino K 278 K 278 in D major, con velocita K 279 K 279 in A major, Andante