“Sister Sister” by way of A24? The studio’s first musical film, “Dicks the Musical,” boasts a star-studded cast with killer original songs and a twist on “Parent Trap.” In the film set to premiere at TIFF this September, two self-obsessed businessmen (writers Aaron Jackson and Josh Sharp) discover they’re long-lost identical twins and come together to plot the reunion of their eccentric divorced parents, in this riotously funny and depraved musical from comedy icon Larry Charles (“Borat”), also starring Megan Thee Stallion, Nathan Lane, Megan Mullally, and Bowen Yang as God. Lead actors Jackson and Sharp wrote the original songs for the film with Karl Saint Lucy; the film is based on Jackson and Sharps’s two-man show from Upright Citizens Brigade in 2014. Megan Thee Stallion is also tied to an upcoming Netflix movie directed by Josh Safdie and co-starring Adam Sandler.