Answer: While Moon Butterfly was at band practice,
Explanation:
A dependent clause typical starts with the words while, when, because...
Dependent clauses cannot stand on its own.
Focus on the benefits of the talent show and what students can gain by joining. These could include an opportunity to perform into others, if there is a prize to be won etc. It is best to focus on things that your fellow classmates could gain by joining the talent show, and hopefully they will decide to sign up. Also making the piece interesting and different will also help to attract interest.
Answer:
a wineskin full I brought along, and victuals in a bag