Brian Calhoun has made guitars for music legends. His latest clients are kids. At what age do most kids start learning how to play guitar? If you ask guitar maker Brian Calhoun, based on conversations ...

Wouldn’t you love to be able to play a song on a stringed instrument even though you don’t have an iota of musical talent? That’s the idea behind Strumli, a single-string instrument built by [Factorem ...