This is an easy arrangement for piano.
Somewhere Over The Rainbow was composed and published in 1939 for Wizard of OZ by Harold Arlen.
The song since then had many version and was performed by artists like Les Paul, Ray Charles, Frank Sinatra, Eric Clapton, Norah Jones, Queen, Céline Dion, Guns N’ Roses, Eva Cassidy, Bob Marley.
The version I would recommend for You to listen is by Chet Bakers or Bill Evans.
www.youtube.com/watch?v=2guzlN_iuo0
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