Possible Clues:

• Dilapidated old rum shop stocks poor spirits
• Beat's incorporating vintage blues
• Hot humid region on either side of the Equator with generally little or no wind
• In depression, finally regained former spirits
• Belt of calm where winds from north and south come together
• Depression? At end of day get mature drinks!
• Strange old instruments -- not wind section?
• Belt of light winds near the equator
• Low spirits? Start drinking ancient spirits
• Area of calms between the northern and southern trade winds of the Atlantic and Pacific