Twiin Symmetries:

• 1978, David born 3-11, 11 days later Jon born 3-22
• both began playing their instrument at age 12
• lived in the exact same college freshman dorm room, separated by a year, without knowing until long after meeting
• both have Czech heritage
• both have grandfathers who made old-fashioned leather dress shoes
• Jon has an older brother born January 1975, David has an older sister born January 1975
• in the Bible, David's closest friend was Jonathan of the Benjaminite tribe - "The soul of Jonathan was knit with the soul of David" (1 Sam 18:1) - and Jon's father's middle name is Benjamin
• both studied engineering, but pursue music
• once Jon's dad saw David practicing guitar through a window and thought it was Jon