This is what we found on Wikipedia regarding the Zach Knows:

Zachary Lane Bryan (born April 2, 1996) is an American country music singer-songwriter from Oologah, Oklahoma.

After two self-produced studio albums—DeAnn (2019) and Elisabeth (2020)—he signed with Warner Records to release his third album and major label debut, American Heartbreak (2022), which peaked at number five on the Billboard 200 and was led by the Billboard Hot 100-top ten single, "Something in the Orange". His self-titled fourth album (2023) debuted atop the Billboard 200, while its lead single, "I Remember Everything" (featuring Kacey Musgraves), peaked atop the Billboard Hot 100, Hot Country Songs, and Hot Rock & Alternative Songs charts simultaneously, also earning him a Grammy Award for Best Country Duo/Group Performance. His fifth studio album, The Great American Bar Scene (2024), peaked at number two on the Billboard 200.

Throughout his career, he has been recognized with an Academy of Country Music Award for New Male Artist of the Year and four Billboard Music Awards. Bryan has sold over 30 million albums and singles, according to the Recording Industry Association of America (RIAA).