Listen to Perkys Calling (Remix). Madcap Johnson released a remix to Future's new song called Perkys Calling off of the mixtape Purple Reign and Artist Sounds got it's hands on it. The official remix to Future's song Perkys Calling remixed by Madcap Johnson was produced by DJ Esco and Metro Boomin. Madcap Johnson is a music producer and DJ from down south in Central Arkansas. You can hear more songs by Madcap Johnson on Soundcloud. Follow Madcap Johnson on Twitter @MadcapJohnson.