Simplify the following text for a Grade 5 native English-speaking person.
Original: Leon Redbone ( born Dickran Gobalian , August 26 , 1949 ) is a singer and guitarist specializing in interpretations of early 20th-century music , including jazz and blues standards and Tin Pan Alley classics .
Simplified: Leon Redbone is an American singer who was born on August 26 , 1949 . He is a singer and guitarist .