【實用音樂app】iDouble Bass|最夯免費app-綠色工廠好玩App

iDouble Bass is the perfect app for string educators, professional bassists, student bassists or anyone interested in the double bass. Learn about the principles of double bass playing and teaching. View scales and arpeggios with fingerings. Purchase strings, rosin, music and more from the online store within the app. Email all educational materials contained in the app as PDFs for printing and distribution at no additional charge.