The arrangement was also more propulsive, too; Williams’ shuffle was replaced by a raucous, rowdy jump Boogie-woogie". The expression "it was rockin'" appears four times in the chorus, which is sung seven times.
The musical style became more vigorous; Williams' shuffle was replaced by a lively, boisterous jump Boogie-woogie". The phrase "it was rockin'" appears four times in the chorus, which is sung seven times.