S3E21: Greatest Hits

Wonderwall - Oasis

Charlie was again singing this song while busking on the street.

You All Everybody - Driftshaft

When the band's van broke down they heard their song come on the radio for the first time.

Carrie Anne - The Hollies

Playing during a flashback when Charlie is being taught how to swim by his father at a local public pool.  A song recorded by The Hollies on their 1967 album Evolution.