2D Trombone Slide Positions is an educational app designed for iPhone users. This app, developed by DENYS BELIAEV, falls under the category of Education & Reference. It is a free app that aims to assist trombone players in learning and mastering the instrument.

The main feature of 2D Trombone Slide Positions is its ability to show users the position of the fingers on the trombone. This visual representation allows players to easily understand and memorize the various slide positions required to play different musical notes. Additionally, the app provides audio samples of each note, enabling users to hear the sound associated with each position.

Furthermore, the app includes a diagram of finger positions and offers demonstrations by a live trombonist. This combination of visual aids and real-life examples enhances the learning experience and helps users improve their skills on the tenor trombone.

Overall, 2D Trombone Slide Positions is a valuable tool for trombone players of all levels, providing a comprehensive guide to slide positions and offering useful audio samples and visual aids to support learning and practice.