Misc: How do frogs breathe under water?

Questions

Musical J: Rolling Stones song & Whoopie Goldberg Movie?

Musical J: This bass player shares his name with an naval officer of note?

Musical J: This Gen X group made the cover of Time magazine "all the anger" ?

Musical J: This jazz standard denotes a platonic & amicable relationship?

Musical J: This shaky singer covered a Beatles song at the first Woodstock ?