Hard to believe no one has mentioned anything from the budget ($6 or $7) Naxos label. Just a few recommendations:
Barber Violin Concerto
Boccherini Flute Quintets
Vaughan Williams Antarctica Symphony
Prokofiev Violin Concertos
Barber Violin Concerto
Boccherini Flute Quintets
Vaughan Williams Antarctica Symphony
Prokofiev Violin Concertos