Theremy | Grease [Theremin Cover] Jun 18, 2015 Cover, Cover Grease, Cover Musical, GREASE, Cover com instrumento musical eletrnico theremin | Grease http://www.theremy.com.br. Like 0 Thanks! You've already liked this « Hopelessly Devoted Cover- Olivia Newton John (Grease) » My Piano Cover of ‚Summer Nights‘ – Grease