Idomeneo-Ouverture D-major, KV 366, arranged for Transverse Flute, Violin and Viola or 2 Violinen and Viola
Terzett version of the whole overture of the opera 'Idomeneo' https://music-learning.net/work-info/45/Mozart%20W.a./idomeneo-ouverture-d-major-kv-366-arranged-for-transverse-flute-violin-and-viola-or-2-violinen-and-viola