You only have to hear him once to become a fan! He sings easy pop, folk standards & romantic classics with a light Hawaiian & Latin beat. He plays concert and tenor ukulele, banjo ukulele, and six-string ukulele. Frankie4Strings endorses DeCava Jazz Ukuleles and Mya Moe Resinator Ukuleles. Frankie4strings uses Aquilla strings and Ko'olau strings for recording.