11. The frequency and intensity of their use varied depending on period , style, and genre. 12. Personal files on period after World War II, especially recent decades, are rarely released. 13. He was a leading figure in the movement to perform music on period instruments. 14. They are highly sought after by musicians who perform early music on period instruments. 15. The Baltimore comprises seven musicians who perform on period instruments. 16. The developers also integrated their research on period Congolese and Brazilian culture into the game. 17. Most scholarship on ligatures is focused on period from the 13th to the 16th centuries. 18. She was also interested in performance on period instruments at a time when this was rare. 19. The exterior of the original store was restored to its appearance during the Wing On period . 20. Schenkman performs with the Gut Reaction ensemble, which plays Baroque music on period instruments with gut strings.
