Thousands of ukulele fans gather in Leamington
11 July 2014 Last updated at 23:37 BST
Two and a half thousand players and fans are expected to attend the second Leamington Ukulele Festival.
This year the event is raising money for a children's hospice in Coventry and is the biggest free ukulele event in the UK.
Ben Godfrey from BBC Midlands Today reports.