Blind Following

Tom: A

E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|-8-8-8-8-8-8-8-8-5-5-8-8-6-6-8-10-|
A|-6-6-6-6-6-6-6-6-3-3-6-6-4-4-6-8--|
E|----------------------------------|

Every once in a while I hear this
E|-----------------|
B|-----------------|
G|-----------------|
D|-----------------|
A|-5-5-6-6-5-5-3-3-|
E|-3-3-4-4-3-3-1-1-|