31. Van der Meer focused on period instruments, all male voices for the soloists, musical rhetoric and dramatic declamation. 32. The orchestra plays on period instruments. 33. The authors found and confirmed hundreds of potent effects on period length or increased amplitude in secondary screens. 34. The London Festival of Baroque Music presents concerts of music from the Baroque period, performed on period instruments. 35. The U . S . Navy uses treatment tables based on periods alternating between 100 % oxygen and air. 36. It features songs from the American Civil War era played on period instruments using the original words and music. 37. Finally, there are plenty of Bach recordings done on period instruments and plenty of Handel recordings on modern instruments. 38. Atypically for champions of early music on period instruments, Davenport encouraged his musicians to include contemporary works on programs. 39. But it also reflects the taste of the Swiss director Marc Forster, who did extensive research on period decoration. 40. In the 1980s, Roger Norrington was one of the first to conduct baroque and classical music on period instruments.
