This is a very basic version of the star spangled banner, it can easily be 
modified to make it more exquisite.

For this tab you can bend the 21st fret to a 22 if you only have a 21 fret guitar.
(just suggesting)

Have fun with it and make it your own

|------------------19-17-15----------------19-17-15-14~-|
|15-12----12-15-20----------12-14-15-15-15--------------|
|------12-----------------------------------------------|
|-------------------------------------------------------|
|-------------------------------------------------------|
|-------------------------------------------------------|


|12-14-15-15-----------------------------19-17-15----------|
|------------15-------15-12----12-15-20~----------12-14-15-|
|---------------16-12-------12-----------------------------|
|----------------------------------------------------------|
|----------------------------------------------------------|
|----------------------------------------------------------|


|------19-17-15-14~-12-14-15-15----------19-19-19-20-22-22~|
|15-15--------------------------15-------------------------|
|----------------------------------16-12-------------------|
|----------------------------------------------------------|
|----------------------------------------------------------|
|----------------------------------------------------------|


|20-19-17-19-20-20--20-19-17-15-14~-12-14-15-------------|
|--------------------------------------------12-14-15-15-|
|--------------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|


|15-15-15-14-12-12-12-17-19-20-19-17-15-15-14-------15-17-19-20-22|
|---------------------------------------------15-15---------------|
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|


|15-17-19-20-17-15~~-|
|--------------------|
|--------------------|
|--------------------|
|--------------------|
|--------------------|