Singer-songwriter Yolanda Ruiz believes she’s found just the right musical setting for her sensuous, expressive voice. Her newest tracks blend catchy pop melodies with pulsating Latin grooves, hip-hop beats and scorching guitar. “I’ve always loved singing pop music,” she declares. “But I’ve also always wanted my songs to reflect where I come from as a Latina. The music I’m making now brings those elements together. It’s the sound I’ve been hearing in my head for ...