Simplify the following text for a Grade 9 native English-speaking person.
Original: In his long career beginning in Vaudeville and quickly expanding as a jazz guitarist and ukulele player he has performed with names such as Bing Crosby , Louis Armstrong , Elvis Presley and Hawaiian musicians such as King Bennie Nawahi , Sol Hoâ opiâ i , and Andy Iona .
Simplified: His long career started in Vaudeville and soon after he became a jazz guitarist and ukulele player . He has worked with big names such as Bing Crosby , Louis Armstrong , and Elvis Presley and has also worked with Hawaiian musicians such as King Bennie Nawahi , Sol Hoâ opiâ i and Andy Iona .