http://book.klll.cc/ebooks/subject/37140.opds2025-08-14T11:13:06ZBooks about Musical instruments -- Studies and exercises (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-08-14T11:13:06Zhttps://book.klll.cc/ebooks/66816.opdsAutomatic finger controlU.S. School of Music