Application is a school of rhythmic playing blues harmonica author Peter Madan Rufus (Peter Mad Ruth). Application pages you will find descriptions of many rhythmic techniques of the game and you can also listen to their sound in the performance of the website. Does not require an Internet connection.

Management:
- Tap on the screen - hide / show controls
- Double tap - full screen display / display the entire page
- Click on the icon with the player - start playback example / stop playback
- Slide left - next page, slide to the right - previous page