You can find many Hawaiian songs which have three to four basic chords. As Live Ukulele suggests, many Hawaiian songs follow the same chord progression.

Playing notes and strumming chords helps with finger dexterity. Learning songs keeps memories sharp, and jam sessions give seniors an expanded social life.

Get your guitar or ukulele (or even piano) in your hands and take a look at some of the easiest Jack Johnson songs to learn.

"There were a few songs that came out a few years ago; one was Jason Mraz I'm Yours and it featured the ukulele quite prominently. "It's only got a couple of chords in it and is quite easy to play.