Riff 1:
G-----------------------------------------------|
D-----------------------------------------------|
A-----------------------------------------------|
E--12-12-12-12--9-9-9-9--12-12-12-12--5-5--7-7--|
Riff 2:
G---------------------------------|
D---------------------------------|
A--7-7--7-7--7-7-------7-------9--|
E-----------------5-5-----7-7-----|
Riff 3:
G------------------------------------|
D------------------------------------|
A-7-7-7-7--4-4-4-4--7-7-7-7----------|
E--------------------------5-5--7-7--|
Riff 4:
[ Tab from: https://www.guitartabs.cc/tabs/z/zebrahead/someday_btab.html ]
G----1-2-1----1---1------1-2-1----1---1------4-5-4-----4-----4-----4-5-4-----4-----4--|
D-2---------2---2-----2---------2---2-----5---------5-----5-----5---------5-----5-----|
A-------------------------------------------------------------------------------------|
E-------------------------------------------------------------------------------------|
Riff 5:
G----------------------|
D----------------------|
A--9-9--9-9--9-9--9-9--|
E----------------------|
Order:
Riff 1 x 2
Riff 2 x 4
Riff 3 x 4
Riff 2 x 4
Riff 3 x 4
Riff 4 x 2
Riff 3 x 4
Riff 5 x 1
Riff 2 x 2
Riff 3 x 4
Riff 4 x 4
Riff 3 x 2