sheet music (Old Ottawa South)

one is Bach Op.104, Concerto I A Moll/LA Minore, Violino e Piano and the other R. Vaughan Williams - Six Studies in English Folksong for Cello and Piano (The piano part is also to be used in alternative versions for violin, viola, clarinet, cor anglais, bassoon, Eb saxophone and tuba, anybody interested ? they do not need to go together