"5-10-15 Hours" is a rhythm and blues

Rhythm and blues

Rhythm and blues, often abbreviated to R&B, is a genre of popular African American music that originated in the 1940s. The term was originally used by record companies to describe recordings marketed predominantly to urban African Americans, at a time when "urbane, rocking, jazz based music with a...

 song written by Rudy Toombs

Rudy Toombs

Rudolph "Rudy" Toombs , born in Monroe, Louisiana, was an American black songwriter who wrote "Teardrops from My Eyes", Ruth Brown's first number one R&B successful song...

 in 1952 for Ruth Brown

Ruth Brown

Ruth Brown was an American pop and R&B singer-songwriter, record producer, composer and actress, noted for bringing a pop music style to R&B music in a series of hit songs for Atlantic Records in the 1950s, such as "So Long", "Teardrops from My Eyes" and " He Treats Your Daughter Mean".For these...

 and became another Rudy Toombs' number-one R&B hit for Brown. The song, smooth, sophisticated blues shouting

Blues shouter

A blues shouter is a blues singer, often male, capable of singing with a band. The singer must project, or "shout", to be heard over the drums and musical instruments of the band. Blues shouting was a major pathway by which jazz music edged over into rock and roll...

 at its best, has a touch of suppliance more characteristic of the vocal qualities of popular singers than of the blues

Blues

Blues is the name given to both a musical form and a music genre that originated in African-American communities of primarily the "Deep South" of the United States at the end of the 19th century from spirituals, work songs, field hollers, shouts and chants, and rhymed simple narrative ballads...

. The recording features a tenor sax sole by Willis Jackson.

When Brown was inducted into the Rock and Roll Hall of Fame

Rock and Roll Hall of Fame

The Rock and Roll Hall of Fame and Museum is a museum located on the shore of Lake Erie in downtown Cleveland, Ohio, United States. It is dedicated to archiving the history of some of the best-known and most influential artists, producers, engineers and others who have, in some major way,...

, her induction said that 'her best work was to be found on such red-hot mid-Fifties R&B sides as "5-10-15 Hours"'.