Hopefully this will help you play Yonder Mountain String Band’s “Must’ve Had Your Reasons” on guitar. Below is the tab, along with a video that I posted on YouTube. Enjoy! *note – capo on the 2nd fret!*
e|-----0----------------1----------------0----0----1--------|
B|-----1----------------1----------------1----1----2--------|
G|-----0----------------2----------------0----0----2--------|
D|-----2----------------3----------------2----0----2--------|
A|-----3----------------3----------------3----2----0--------|
E|----------------------------------------------------------|
Must've had your reasons When you left w/o a call...
e|-----0---------------------------0------3----1------------|
B|-----3---------------------------1------3----1------------|
G|-----0---------------------------0------0----2------------|
D|-----0---------------------------2------0----3------------|
A|-----2---------------------------3------2----3------------|
E|-----3----------------------------------3----1------------|
I dont want you thinkin' I shed too many tears...
e|-----0----------------1----------------0----0----1--------|
B|-----1----------------1----------------1----1----2--------|
G|-----0----------------2----------------0----0----2--------|
D|-----2----------------3----------------2----0----2--------|
A|-----3----------------3----------------3----2----0--------|
E|----------------------------------------------------------|
I never felt the need to cry... for all the wonderin' why
e|--------------------1--------------3-------------0--------|
B|--------------------1--------------3-------------1--------|
G|--------------------2--------------0-------------2--------|
D|--------------------3--------------0-------------0--------|
A|--------------------3--------------2-------------3--------|
E|-----------------------------------3----------------------|
I don't think love can ever feel that way again
...
e|-------------------1--------------3-------------0------0--|
B|-------------------1--------------3-------------1------1--|
G|-------------------2--------------0-------------2------3--|
D|-------------------3--------------0-------------0------2--|
A|-------------------3--------------2-------------3------3--|
E|----------------------------------3-----------------------|
Wonderin' if love can ever feel that way again
e|--------------------1--------------3-------------0--------|
B|--------------------1--------------3-------------1--------|
G|--------------------2--------------0-------------2--------|
D|--------------------3--------------0-------------0--------|
A|--------------------3--------------2-------------3--------|
E|-----------------------------------3----------------------|
I wouldn't bet you're thinkin' 'bout me now
e|----------3--------------------------------1--------------|
B|----------3--------------------------------1--------------|
G|----------0--------------------------------2--------------|
D|----------0--------------------------------3--------------|
A|----------2--------------------------------3--------------|
E|----------3--------------------------------1--------------|
That's all the same to me 'cause I don't think that much
e|------3-----------------1--------------3------------------|
B|------3-----------------1--------------3------------------|
G|------0-----------------2--------------0------------------|
D|------0-----------------3--------------0------------------|
A|------2-----------------3--------------2------------------|
E|------3-----------------1--------------3------------------|
of you Since those couple nights I spent alone,
e|----0------3------0-------3-------1-----------------------|
B|----1------3------1-------3-------1-----------------------|
G|----0------0------2-------0-------2-----------------------|
D|----2------0------2-------0-------3-----------------------|
A|----3------2------0-------2-------3-----------------------|
E|-----------3--------------3-------1-----------------------|
Sitting home waiting for you to call
e|----------3-------------0---------------------------------|
B|----------3-------------1---------------------------------|
G|----------0-------------0---------------------------------|
D|----------0-------------2---------------------------------|
A|----------2-------------3---------------------------------|
E|----------3-----------------------------------------------|
And you never called at all

That’s a nice little tune! Maybe we’ll go to a concert when I stop by this summer?
Awesome, there are so few Yonder mountain tabs out there!