Blood, Sweat & Tears (BS&T) is an American jazz rock music group founded in New York City in 1967. The group's sound combines rock, pop, and R&B/soul music with big band jazz, featuring brass instrumentation. BS&T has undergone numerous lineup changes throughout its history, encompassing a wide range of musical styles.

The group was formed by Al Kooper in 1967, following his departure from the Blues Project. The original lineup included Steve Katz, Jim Fielder, and Bobby Colomby. Their debut album, Child is Father to the Man, was released to great success. However, Kooper left the band shortly after, and the group regrouped with Katz, Colomby, and David Clayton-Thomas as vocalist.

This new combination achieved significant success with their next release, the self-titled Blood, Sweat & Tears. The album spent seven weeks at the top of the U.S. charts in 1969 and won the Grammy Award for Album of the Year in 1970. It featured hit singles such as "You've Made Me So Very Happy," "Spinning Wheel," and "And When I Die," all of which charted and went gold.

The group has released several albums over the years, including Blood, Sweat & Tears 3, New Blood, No Sweat, Mirror Image, New City, More than Ever, Brand New Day, and Nuclear Blues. They have also released compilation albums, such as The Essential Blood, Sweat & Tears in 2014, and Rare, Rarer & Rarest in 2013.

In recent years, the band has undergone further lineup changes. From 2013 to 2018, Bo Bice, the runner-up on the fourth season of American Idol, fronted the group. He was replaced by Tom Bowes in 2018, and later by Keith Paluso in 2019. The band has continued to tour and perform, with original bassist Jim Fielder guesting with the group at a series of shows in Florida in 2022.

Under the direction of Bobby Colomby, the band has enjoyed a resurgence in recent years. Blood, Sweat & Tears has also been involved in charitable activities, donating money through its "Elsie Monica Colomby" music scholarship fund to support music education for deserving schools and students.

The current lineup of Blood, Sweat & Tears includes Bo Bice is no longer with the band, it now consists of Tom Bowes was also replaced, and the new singer is Dylan Elise is not the lead singer, the current singer is Keith Paluso, along with Dillon Kondor, Glenn McClelland, Ric Fierabracci, Jonathan Powell, Brad Mason, Dan Levine, Ken Gioffre. The band continues to tour and perform, celebrating its legacy as a pioneering jazz rock group.