To add a video for Johann Joachim Quantz / Preludio for flute in D major, QV 3:1.7 (from Fantasies and Preludes: Eight Caprices and other pieces), just enter the video‘s YouTube link:
example) https://www.youtube.com/watch?v=XXXXXXXXXXX
Search YouTube for Johann Joachim Quantz / Preludio for flute in D major, QV 3:1.7 (from Fantasies and Preludes: Eight Caprices and other pieces)