The company, a San Francisco-based startup named from a portmanteau of “sonic” and “mule,” runs a collection of music-related apps. The biggest by far is “Sing! Karaoke,” an interactive singing app ...

Add Yahoo as a preferred source to see more of our stories on Google. Social-music app Smule has launched LiveJam, a feature that it’s billing as the first time anyone can sing live with another user ...