Partia no.1 in B flat major TWV 41:B 1 - Aria II Dolce

Whose song is Partia no.1 in B flat major TWV 41:B 1 - Aria II Dolce?

Artist Album
Telemann, Georg Phiipp (11681-1767)
Telemann (Ensemble 1700,Dorothee Oberlinger)
Telemann, Georg Philipp (1681-1767)
Telemann (Ensemble 1700,Dorothee Oberlinger)