Tony Rapacioli, also known as Praha, is a British electronic music producer and sound designer from London. He used the music persona mainly when he was producing and remixing progressive house tracks.

Throughout his career, Rapacioli has used a number of different musical aliases for his work as a producer, songwriter, DJ and remixer. His work has featured on record labels including Platipus Records and AM PM Records, and has featured on various compilation albums for both Virgin/EMI and also Ministry of Sound. His track Rococo, featured on Midnight Club II.

Rapacioli also founded the sound design record label, Zenhiser, which is based in Noosa, Australia.