To add a video for Armand-Louis Couperin / Sonata en trio, for violin, cello & harpsichord No. 3 in G major, Op. 3/3, just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Armand-Louis Couperin / Sonata en trio, for violin, cello & harpsichord No. 3 in G major, Op. 3/3