String Quartet String Quartet - Level 3 - Digital Download SKU: A0.999604 By Demi Lovato. By Demi Lovato, Sean Douglas, Trevor Brown, Warren Felder, and William Simmons. Arranged by Iuliia Wright. Pop. Score and parts. 8 pages. Iuliia Wright #6052427. Published by Iuliia Wright (A0.999604). Sorry Not Sorry - Demi Lovato - For String Quartet - Set of Parts - Intermediate - Arranged by Iuliia Wright - 8 pagesArrangement of a popular song Sorry Not Sorry by Demi Lovato for string quartet.Suitable for intermediate students and professional musicians. Easy readable and fun to playPlease follow my Facebook page for more arrangements @IuliiaWrightArrangements.