"Que reste-t-il de nos amours ?" is a French popular song, with music by Léo Chauliac and Charles Trenet and lyrics by Charles Trenet. A version of the song with English lyrics entitled "I Wish You Love" is recognizable by the opening line "I wish you bluebirds, in the spring".
In this jazzy solo piano version it's arranged for a ballet class "Reverence" exercise and recorded by Peter James on his album "Music for Ballet Class - MORE Songs from the 1940s"
For more info about the album click here: https://bit.ly/3uaJza1