Universal-owned Republic Records has signed Texas singer-songwriter Pat Green, the first country-leaning artist on the label. The Republic roster includes rock bands 3 Doors Down and Godsmack. Green's Republic release is due Oct. 16, and the first single, "Carry On," goes to radio Aug. 21. A favorite in the Lone Star State, Green has recorded with Willie Nelson, Dixie Chicks singer Natalie Maines and Jack Ingram. His duet with Radney Foster, "Texas in 1880," is at No. 60 on the Billboard country singles chart for July 7. 06/28/01