FRIDAY, APRIL 27—FAIS DO-DO STAGE, 2:45 P.M.

In 2005, Jake Shimabukuro’s stunning ukulele rendition of George Harrison’s “While My Guitar Gently Weeps” made him a YouTube sensation. The video has since been seen 15 million times.

Unlike ukulele players who use the instrument as strummed accompaniment for their singing, the non-singing Shimabukuro plays melodic lines and strums. “I only sing when I w...