Possible Clues:

• Give the go-ahead to hothead in Alamo working with a Texan neighbour
• Rodgers and Hammerstein musical from 1943
• 2019 Tony winner for Best Revival of a Musical
• -- City, Midwestern US state capital
• A holm oak, strangely, can be found in the musical state
• Agree in short to put on Los Angeles, a musical
• Tulsa's state
• One of four US states whose capital begins with the same letter as the state
• Musical; US state
• In brief, this state is fine