Possible Clues:

• Musician
• Al Hirt, e.g.
• Boastful kind of pigeon
• After a little tea, some spirits, and the bot gets is on the blower
• One touting own skills perhaps, doing a Jumbo?
• It's quite a blow for one to have tea with spirits with a boy
• Blow it, Pete. Have some rum after tea
• Instrumentalist — type of swan
• Satchmo, for example — odd man out finally upfront
• Time for a drink with boy on the blower