This is what we found on Wikipedia regarding the The War and Treaty:

The War and Treaty are an American husband and wife duo consisting of singer-songwriters Michael Trotter Jr. and Tanya Trotter. Their debut studio album Healing Tide (2018), received critical acclaim upon its release. Soon afterwards, they released their sophomore album Hearts Town (2020), which featured a collaboration with American singer Emmylou Harris, and spawned the Triple A top 40 hit single "Five More Minutes". In 2022, they signed to UMG Nashville, and released their major label debut Lover's Game (2023). Their collaboration with Zach Bryan on the song "Hey Driver" reached the top 20 on the Billboard Hot 100.

In 2023, The War and Treaty became the first black duo to be nominated for the Country Music Association Award for Duo of the Year; along with being the first black duo to be nominated for the Academy of Country Music Award for Duo of the Year. They have received two nominations for the 66th Annual Grammy Awards, including Best New Artist. An upcoming biopic based on the group’s life is set to be released.