Telemann, Georg Philipp
Concerto a 4: Violetta, violino primo, violino secundo et cembalo.
Concert in A major for viola da gamba (?) and orchestra, TWV 51:A5
D-MÜu Rheda ms. 774
Carus Verlag, Telemann-Archiv
Even if the solo instrument is called “violetta”, some arpeggios in the last movement (b. 73-80) hint to the viola da gamba. An instrument tuned e’-a-d-G is possible as well.