Home Jambase Happy Birthday Gregg Allman: Revisiting The Pre-Allman Brothers Group Hour GlassNational Music NewsJambaseMusicHappy Birthday Gregg Allman: Revisiting The Pre-Allman Brothers Group Hour GlassDecember 8, 2016488FacebookTwitterPinterestWhatsApp Today Gregg Allman of The Allman Brothers Band celebrates his 69th birthday.