As a kid, Grande loved singing karaoke with her family. "I looked up to Whitney and Mariah and Celine endlessly," she says.

As a kid, Grande loved singing karaoke with her family. "I looked up to Whitney and Mariah and Celine endlessly," she says.

Now you can experience musical improv for yourself in 'Fundamentals of Musical Improv,' a five-week class hosted by Highwire ...