 "” Tirano and Diaz form the musical core of the band, with numerous other musicians contributing to the band's sound over the years, while Tayengco serves as the band's artistic manager of sorts.TOI was born in 2007 when interior designer and visual artist Mei Tayengco took up the idea of introducing singer Pauline Diaz to guitarist Patrick Tirano, to see if their musical approaches were compatible.At that point, Diaz was already a writer and television show host and Tirano was already a sound engineer and producer at Wombworks Recording Studio in Marikina, and was already doing gigs with other bands.