Frank Sinatra, often cited simply as Frank Sinatra, was an American singer and actor whose career began in the 1930s and whose prominence spanned the mid-20th century; he is associated with traditional pop, big band, and vocal jazz styles. Renowned for his smooth, expressive baritone and precise phrasing, Sinatra rose to fame with big band arrangements before establishing a solo career characterized by sophisticated orchestral and small-group accompaniments, interpretable standards from the Great American Songbook, and a focus on storytelling and emotional nuance. His recordings and performances emphasized clear diction, rhythmic flexibility, and collaboration with prominent arrangers and instrumentalists, contributing significantly to popular and jazz-influenced vocal performance.