Star producer Parx returns to Perfect Havoc in 2023 with ON/OFF, featuring the Scandi vocalist Lilly Ahlberg. A feelgood pop tune about about meeting halfway and asking if it's on /or off. Parx's 'Feel Right Now (feat. Nono)' was released on Parlophone/FFRR, was named ‘Self Certified by Mistajam’ on BBC Radio 1 Dance and has achieved 30m+ streams. His track ‘Oh My’ was synced to ITV’s Love Island 2021.He has released on Selected, Spinnin & more. Lilly has featured on streaming giant tracks by Sonny Fodera, Just Kiddin and more.