Complex sentence: Unlike most other bandleaders of the time, Kyser would also sing with his group and dance, as illustrated during the group's performance of "I Dug a Ditch" in "Thousands Cheer" and other film appearances.
Split into simpler sentences: Unlike most other bandleaders of the time, Kyser would also sing with his group and dance. This is illustrated during the group's performance of "I Dug a Ditch" in "Thousands Cheer", as well as in other film appearances.