Orchid - Bass
Black Sabbath - Master Of Reality (1971)
2x riff 1
|----------|---------------------------------------|
|-(intro)--|---------------------------------------|
|----------|---------------------------------------|
|----------|--7*----------9*----------2*---------7*|
2x riff 2
|------------------------------|
|------------------------------|
|------------------------------|
|---12*----------7*------------|
[ Tab from: https://www.guitartabs.cc/tabs/b/black_sabbath/orchid_btab_ver_2.html ]
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