Calender was a mid 70s New Jersey funk band, best known for their proto-disco hit ‘Hypertension’ which came out in 1975. Calender was the brainchild of songwriter, producer and arranger Paul Kyser.

Along with Leon Stuckey Paul co-wrote “Just How Sweet Is Your Love” for Disco super group RHYZE and had set up the New Jersey-based PI KAPPA label which released several singles by 70s hit-bands such as Jimmy Briscoe & Calender. Kyser has since then worked with Stevi