He's looking at your trumpet like it's a girl he loves.
5 seconds sound clip from the Destination Freedom - The Trumpet Talks (The early life of Louis Armstrong) classic radio play.
You can hear this line at 00:10:58 in the radio play.
Quote context
[...]
- And he came to Diamond Stone's Cafe and eased in before the bouncer could see him...
- And when Bunk Johnson had blown himself out and was wrapping my brass mouth in velvet...
- The kid came up, and the drummer saw him.
- It's that coal-sellin' kid again, Bunk. Shall I call the bouncer?
- He's looking at your trumpet like it's a girl he loves.
- Get him outta here before Diamond thinks you invited him.
- All right, all right. Say kid. You'd really like to blow that... huh?
- If I could blow it like you 'n' Buddy Bolden...
- You know where Buddy Bolden is now? Where?
- Too much of this night-life put him there. And this too...
[...]