Jiri Markalous has introduced Banjo Rolls Trainer 1.0, his new music app built for Mac OS X. It’s designed for both beginning and advanced banjo players alike.

Banjo Rolls Trainer is designed to help all banjo players improve their technique and learn new five-string banjo rolls. The app includes 15 basic banjo rolls, Clawhammer Bum-Ditty and 1/4 rolls, individual volume setting of upright bass, guitar, banjo and metronome, and more.

Banjo Rolls Trainer requires OS X 10.7 or later. It costs US$14.99 and is available worldwide through the Mac App Store in the Music category (http://tinyurl.com/kfohejb). For more info go to http://www.markalous.cz .