Related Clues:

• Fourth row
• One of the H's in '4-H'
• Foam in a mug
• Apt attachment to the starts of 14-, 17-, 35- and 43-Across
• Spot for a band
• Ale feature
• Word that can precede each word in 17-, 38- and 61-Across
• Top of a nail
• Monkees movie co-written by Jack Nicholson
• Cattle unit
• Stream's source
• With 37-Across, hair accessory ... or a literal hint to 19-, 27-, 47- and 56-Across
• Go (toward)
• *Noodle or noggin
• Shoulders' partner