Orchid - Bass
Black Sabbath - Master Of Reality  (1971)


                        2x riff 1
|----------|---------------------------------------|
|-(intro)--|---------------------------------------|
|----------|---------------------------------------|
|----------|--7*----------9*----------2*---------7*|

          2x riff 2
|------------------------------|
|------------------------------|
|------------------------------|
|---12*----------7*------------|

          1x riff 3
|------------------------------|
|------------------------------|
|------------------------------|
|--11*-------------9*----------|

          1x riff 1
|----------------------------------------|
|----------------------------------------|
|----------------------------------------|
|--7*----------9*----------2*----------7*|
  
|-------------------------------------------------------------|
|------------------------------------(slow-down-at-this-part)-|
|-------------------------------------------------------------|
|--7*----------9*----------2*----------7*------9*-----7=======|
     
"=" = hold the note
*  = represent the same note X times