Why?

(parte 1)

        e|-------2-----------2-----------------------------|
        B|-----3---3-------3---3---------2-----------2-----|
        G|---2-------2---2-------2-----2---2-------2---2---|
        D|-0-----------0-------------2-------2---2-------2-|
        A|-------------------------0-----------0-----------|
        E|-------------------------------------------------|

        e|-------------------------------------------------|
        B|-------1-----------1-----------------------------|
        G|-----0---0-------0---0---------0-----------0-----|
        D|---2-------2---2-------2-----0---0-------0---0---|
        A|-3-----------3-------------2-------2---2-------0-|
        E|-------------------------3-----------3-----------|

(parte 2)

        e|-------------------------|
        B|-------------------------|
        G|-------2-----------2-----|
        D|-----3---3-------3---3---|
        A|---3-------3---3-------3-|
        E|-1-----------1-----------|

(parte 3)

        e|-------------------------------------------------|
        B|-------------------------------1-----------1-----|
        G|-------2-----------2---------0---0-------0---0---|
        D|-----3---3-------3---3-----2-------2---2-------2-|
        A|---3-------3---3-------3-3-----------3-----------|
        E|-1-----------1-----------------------------------|

        e|-------------------------------------------------|
        B|-------1-----------1-----------------------------|
        G|-----3---3-------3---3---------2-----------2-----|
        D|---3-------3---3-------3-----3---3-------3---3---|
        A|-1-----------1-------------3-------3---3-------3-|
        E|-------------------------1-----------1-----------|


(parte 4)

        e|-------2-----------2-----|
        B|-----3---3-------3---3---|
        G|---2-------2---2-------2-|
        D|-0-----------0-----------|
        A|-------------------------|
        E|-------------------------|

(solo 1)

        e|-------------------------------------------------|
        B|-------------------------------------------------|
        G|-------------------------------------------------|
        D|-----0-/2-/4-2-2-2---2-4-4/5-5-5-5-4-2-2-2-2-0-0-|
        A|-0-0---------------------------------------------|
        E|-------------------------------------------------|

        e|-------------------------------------------------|
        B|-------------------------------------------------|
        G|---------2-2-0---------------4-4/5-5-5-5-4-2-0-2-|
        D|-0h2-0---------4-2-0-2h4-2-----------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|-------------------------------------------------|
        B|----------6-6-8-8/10-10-10-10-10-10-8-8-8--------|
        G|-0-0---------------------------------------------|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|---------------------------------------------------|
        B|-13-11-10-11-10----10-------------10-10---10h11p10-|
        G|----------------12----12-10-10-12------------------|
        D|---------------------------------------------------|
        A|---------------------------------------------------|
        E|---------------------------------------------------|

        e|-------------------------------------------------|
        B|-10-11-13-13-11-10------------11-10--------------|
        G|-------------------10---10-12-------12-10-9-9-9--|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|-------------------------------------------------|
        B|-------------------------------------------------|
        G|----------------11-10-------------11-10-10-3-----|
        D|-10-12-12-12-12-------12-10-10-12----------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

(solo 2)   
               
        e|-10-10-10-8-----------------------------8--------|
        B|------------11-10-11-10---10-11-10---10---11-10--|
        G|-------------------------------------------------|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|--------------------------------11-10-------10---|
        B|-8-10h11-10-8-10h11p10------/10---------/10------|
        G|-------------------------------------------------|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|-----11-10-8-------------8-------11-10-10-11-10--|
        B|-/10---------11-11-10-11---10/11-----------------|
        G|-------------------------------------------------|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|-8---------------------------8-------------------|
        B|---11-10-10-10-11-10---10-11---11-10-11-10-8-----|
        G|---------------------------------------------10--|
        D|-------------------------------------------------|
        A|-------------------------------------------------|
        E|-------------------------------------------------|

        e|-----------------------------------------------0-0h2-|
        B|------------------------10-10h11p10p8-10-----3-------|
        G|-10-9-10-10/12-10-7-7----------------------2---------|
        D|-----------------------------------------------------|
        A|-----------------------------------------------------|
        E|-----------------------------------------------------|