This is basically a jazz walking bass line

                          F7

|----------------------------------------------------------------|
|-------------0-2-3-3---2-3-1-0----------------------------------|
|---0-3-2-1-3---------3---------3--------------------------------|
|-1--------------------------------------------------------------|
 
                          Bb7
          
|-------2-3-1-0-----------------1-0-0----------------------------|
|---0-3---------2-3-----2-3-1-0-------0--------------------------|
|-1-----------------0-3------------------------------------------|
|----------------------------------------------------------------|

                          F7

|-------------0-1-3----------------------------------------------|
|-----0-1-2-3-------3--------------------------------------------|
|-4-3------------------------------------------------------------|
|----------------------------------------------------------------|
                          F7

|----------------------------------------------------------------|
|-------------0-2-3-3---2-3-1-0----------------------------------|
|---0-3-2-1-3---------3---------3--------------------------------|
|-1--------------------------------------------------------------|
 
                          Bb7
          
|-------2-3-1-0-----------------1-0-0----------------------------|
|---0-3---------2-3-----2-3-1-0-------0--------------------------|
|-1-----------------0-3------------------------------------------|
|----------------------------------------------------------------|

                          F7

|-------------0-1-3----------------------------------------------|
|-----0-1-2-3-------3--------------------------------------------|
|-4-3------------------------------------------------------------|
|----------------------------------------------------------------|

play this 3 times