Possible Clues:

• Ancient old boy set up wine store
• Bloke keen, some say, to establish wine shop
• Turns up, 21st party is for bighead making wine in Spain
• Barrio business
• Most of the group is retiring for a number of years from the overseas drinks' business
• Chap, say, with a wine store
• Person, say, with a drinks outlet
• Wine specialist reviewing mature old barrel
• Person over time built up wine store
• Comes up with how old one is from date of birth - it's important for someone selling drink in Spain