Grease Is Still The Word! Warren Casey and Jim Jacobs’ Grease was a popular stage musical about the sub-cultures in 1950s American High Schools and in 1978 it was made in to a feature length motion picture starring John Travolta and Olivia Newton-John. Subsequently it became a seminal teen musical with its evocative and energetic songs strong characters and a great story!Available here is the 20th anniversary edition of the soundtrack to Grease arranged fo easy level piano.