[1][2] Regalado recorded drum tracks for over 400 albums with various performers and bands such as the Mabuhay Singers, Pilita Corrales, Imelda Papin, Hagibis, Rey Valera, Gary Valenciano, Ryan Cayabyab, Celeste Legaspi, Apo Hiking Society, Basil Valdez, Zsa Zsa Padilla, Sharon Cuneta, VST & Co., and many others.
Regalado has also earned recognition internationally, having worked with David Pomeranz, The Lettermen, Matt Monroe, Spiral Starecase, Stephen Bishop, and John Ford Coley.
His big break came when actor Jose Mari Gonzales, then the owner of recording studio Cinema-Audio, noticed Regalado's unique drumming style and recommended him to fellow producers and musical acts.
[4] More recently, Regalado established J.R. Recording Studios, a 24-track, two-inch tape analog facility.
[2] Regalado has four children, of which two also pursued musical careers: his son Niño played drums for Neocolours while his other son Junjun currently plays drums for Bamboo Mañalac's solo act.