Objectively, what is the hardest piece of music in existence? - Quora
Paganini's Most Difficult Violin Work
These are the hardest pieces ever written for the VIOLIN - Classic FM
Can I Play Paganini's HARDEST Violin Piece On BASS?! - YouTube
Its been almost 3 years since Eddy last attemped Nel cor piu non mi sento (one of the hardest violin pieces ever), do you think Eddy should keep practicing and perfect this
3 Most Difficult Violin Pieces Ever Written | Johnson String Instrument