Possible Clues:

• For starters, she's all I've got to broadcast from old capital in the East
• Old city disciple embraces a US soldier turning up
• Keep feeling tired after imbibing a single vintage port
• Setting of a 1991 Broadway musical
• "Miss ___" (musical set in Vietnam)
• Miss musical as I enter into clinic
• Son and I journey inside an Asian city
• Miss visiting this old capital? You would see a show
• Uttered expression of regret over dead so-called city once
• City boy holding a US soldier up