Louis Armstrong (1901-1971) is often referred to as the father of jazz. The trumpeter and vocalist pioneered a unique sound that paved the way as jazz was developing in the 1920’s and 1930’s. Armstrong recorded over 30 albums as a leader and collaborated with many jazz greats including Ella Fitzgerald and Duke Ellington. As a vocalist Armstrong is known for his gravelly voice (most notably heard on “What a Wonderful World”) and his scat singing. His trumpet played is marked by his high musicality and melodic solos.