|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||2 days ago||50.45||$34.73||You save $15.72|
|Amazon US||yesterday||37.76||$34.73||You save $3.03|
Jonathan Harnum is a multi-instrumentalist with over 30 years of experience practicing, performing, and teaching music. Harnum earned a PhD in music education from Northwestern University, and is the author of The Practice of Practice; All About Trumpet; Basic Jazz Theory; and Sound the Trumpet: How to Blow Your Own Horn.