Is ear training necessary to become a good musician?

Ear training is a fundamental part of our musical development, but sometimes we tend to forget how important it is to keep our aural skills in shape.
In this video, students, professionals and experts tell us in which way ear training is part of their career, and how technology has become a considerable help for effective ear training sessions.
This video features interviews with music technology researcher Dr. Evangelos Himonides, Jazz bassist Chris Minh Doky, Symphony Orchestra Horn player Flemming Aksnes and music student Mathilde Helding.
It was produced by EarMaster ApS, Denmark. www.earmaster.com