Choir Musical Preview: Sondheim on Sondheim - The 2016 choir musical will be performed on Friday and Saturday, Feb. 5 and 6, at 7:30 p.m., and Sunday, Feb. 7, at 2 p.m. in Wellin Hall, Schambach Center.
commas between two independent clauses
Use a comma to separate two independent clauses linked by conjunctions such as and, but, or, so or yet: "She smiled as she accepted her diploma, but a tear slid down her cheek when she turned to face her classmates." "She smiled as she accepted her diploma but started to cry when she turned to face her classmates."
SOURCE: Hamilton College Editorial Style Guide