Bangladesh, Nov. 25 -- Taylor Swift tied Michael Jackson's record at the American Music Awards as she collected her 24th win and used her speech to thank her record label for allowing her to freely express herself as an artist.

Her remarks Sunday came amid a public battle between Swift and the men who own the master recordings of much of her music.

Swift won favorite pop/rock album for "Lover," her first release on Universal Music Group's Republic Records. She released her first six albums on Big Machine Label Group, founded by Scott Borchetta, who owns Swift's master recordings along with music manager Scooter Braun.

"This album really felt like a new beginning, and I also really love my record label, Universal and Republic. Monte Lip...