Complex sentence: Rather than the smash hit that Harrison had hoped for, "Ding Dong" was only moderately successful, peaking at number 38 in Britain and number 36 on America's "Billboard" Hot 100.
Split into simpler sentences: Rather than the smash hit that Harrison had hoped for, "Ding Dong" was only moderately successful. The single peaked at number 38 in Britain and number 36 on America's "Billboard" Hot 100.