happy days theme 1 season ( NOT bill haley song )Unreleased version

you can hear this song version in the final scenes of the episodes of the first season, but never entirely. It was first recorded in 1974 by Jim Haas with a group of other session singers for the first two seasons ( the "original cast"). I have assembled the various parts, reconstructed it in full. The vocal performance is not great, the text is different in the chorus, but there are already the second verse (which can be heard at the beginning of the fourth episode) and the third .At the end, I added a different ending, present at the end of an episode, before the final theme song.