Taproot tunes about as low as you can go,they tune down to A.

A Tuning(ADGCFA)


     Intro

    A|----------------------------------------------|
    F|----------------------------------------------|
    C|----------------------------------------------|
    G|---6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-2-4--|
    D|---6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-5-2-4--|
    A|---4-0-4-4-4-4-4-0-4-4-4-4-4-0-4-4-4-4-3-0-2--|



    A|--------------|
    F|--------------|
    C|---12\9-11-11-|
    G|--------------|
    D|---10\7--9--9-|
    A|--------------|



    A|------------------|
    F|------------------|
    C|------------------|
    G|---5-2-4--5-2-4-4-|
    D|---5-2-4--5-2-4-4-|
    A|---3-0-2--3-0-2-2-|



    A|---7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-|
    F|---5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-|
    C|---5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-|
    G|---------------------------------------|
    D|---------------------------------------|
    A|---------------------------------------|

    A|--------------------------------------7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-|
    F|--------------------------------------5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-|
    C|--------------------------------------5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-|
    G|---9-9-9-9-9-9-9-10-10-10-10-10-10-10-----------------------------------|
    D|---7-7-7-7-7-7-7--8--8--8--8--8--8--8-----------------------------------|
    A|---5-5-5-5-5-5-5--6--6--6--6--6--6--6-----------------------------------|



    A|----------------------------------------------|
    F|----------------------------------------------|
    C|----------------------------------------------|
    G|---------------------------------------5-2-4--|
    D|---------------------------------------5-2-4--|
    A|---4-0-4-4-4-4-4-0-4-4-4-4-4-0-4-4-4-4-3-0-2--|


    A|-----------|
    F|-----------|
    C|-----------|
    G|----5-2-4--|
    D|----5-2-4--|
    A|----3-0-2--|

    A|------0---------------0------------0----------0-----------0----------0-------|
    F|------0---------------0------------0----------0-----------0----------0-------|
    C|------0---------------0------------0----------0-----------0----------0-------|
    G|---3-3-3-3-3-3-3-3-6-6-6-6-6-6-6-7-7-7-7-7-7-4-4-4-4-4-4-3-3-3-3-3-2-2-2-2-2-|
    D|---3-3-3-3-3-3-3-3-6-6-6-6-6-6-6-7-7-7-7-7-7-4-4-4-4-4-4-3-3-3-3-3-2-2-2-2-2-|
    A|---1-1-1-1-1-1-1-1-4-4-4-4-4-4-4-5-5-5-5-5-5-2-2-2-2-2-2-1-1-1-1-1-0-0-0-0-0-|



    A|-----------------------------------------------------------------------------|
    F|-----------------------------------------------------------------------------|
    C|-----------------------------------------------------------------------------|
    G|---3-3-3-3-3-3-3-3-6-6-6-6-6-6-6-7-7-7-7-7-7-4-4-4-4-4-4-3-3-3-3-3-2-2-2-2-2-|
    D|---3-3-3-3-3-3-3-3-6-6-6-6-6-6-6-7-7-7-7-7-7-4-4-4-4-4-4-3-3-3-3-3-2-2-2-2-2-|
    A|---1-1-1-1-1-1-1-1-4-4-4-4-4-4-4-5-5-5-5-5-5-2-2-2-2-2-2-1-1-1-1-1-0-0-0-0-0-|



    A|---0------|
    F|---0------|
    C|---6---6--|
    G|---7----7-|
    D|---7------|
    A|---5------|