https://www.virtualsheetmusic.com/experts/expert_id/beautiful-out-of-tune/ - In this video, Prof. Fitzpatrick discusses how much impact playing out of tune really has on the performance.

William Fitzpatrick: What are Tartini's Tones? - From the Violin Expert

Virtual Sheet Music's Violin Lessons Videos give you violin lessons and violin insights from our violin experts Prof. William Fitzpatrick and Lora Staples. If you are a violinist, violin teacher, a violin student or simply a violin enthusiast, these videos are for you.