this is most of the bass part for "Saturday Night" by Ozomatli.
INTRO
G|--------------------------|
D|--------------------------|
A|--------------------------|
E|--2--3-2--3-2--3-2--3--2--|
CHORUS ()=Optional
G|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|-------------------------------------------------------------|
E|--2--3--5--3--2-------3--2----2--3--5--3--2-----0--0---3--2--|
G|-----------------------------(6)---------|
D|-----------------------------------------| X2
A|------------------------------4----------|
E|--2--3--5--3--2-------3--2---------------|
VERSE
G|--------------------------------------------------|
D|--------------------------------------------------| X2
A|-----------------2--4-----5--4-----2--4-----------|
E|--2-----2--4--5--------------------------5--4--2--|
VERSE 2
G|-----------------------------------------------------------|
D|-----------------------------------------------------------|
A|--2-----2--2--------------------------2-----2--2-----------|
E|--------------2--2--3-----3--3--2--2--------------2--2--0--|
G|-----------------------------------|
D|-----------------------------------|
A|--------------2-----2--2-----------|
E|--0--0--2--2--------------2--2--3--|
Then play the CHORUS again except don't repeat it.
BRIDGE
G|------------------------|
D|------------------------| X8
A|--4---4--4--4--7--5--4--|
E|------------------------|
After every 2 times that the bridge riff is played this is played after it, except the last time:
G|------------18--|
D|----------------|
A|--4/16--16------|
E|----------------|
Then play the CHORUS again
ENDING:
G|---------------------------------------------------------|
D|---------------------------------------------------------|
A|-----------------4------6----7(hold for 8 counts)--------|
E|--0-0--1-1--2--------------------------------------3--2--|
Let me know if the should be any corrections.