This is solo during the campaign in the silent cartographer level.
1 2 3 4 1 2 3 4
|------------15b14-17~~~~~~~---12-14-|15b14-12-15-15-15-15p14p12-12----15-|
|17~~~~~~----------------------------|-------------------------12---15----|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
1 2 3 4 1 2 3 4
|-------------------------------------|------------------------------------|
|12~~~~~~----------15-----------------|------------------------------------|
|---------14-12------12b14b12-9--10-9-|9-----9-----9---------9-------9-----|
|---------------14--------------------|---14----12----12-------------------|
|-------------------------------------|------------------14----14-12----12/|
|-------------------------------------|------------------------------------|
1 2 3 4 1 2 3 4
|19~~~~~~~----------------------14-15|14~~~~~-----15-17-15~~~~------15-17-|
|------------17-15-17~~~~------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/m/misc_computer_games/halo_theme_tab_ver_2.html ]
1 2 3 4 1 2 3 4
|21b23~~~~23~~~~~~~~~~~~~23~~~~23~~~~|b22~~~~~~22~~~~~~~17\\\-------12-14-|
|------------------------------------|------------------17\\\-------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
1 2 3 4 1 2 3 4
|12~~~~~~~---------------------------|------------------------------------|
|------------------15-12-15-12-15-15-|14~~~~~~~14\---------------12-15-12-|
|------------------------------------|------------------------12----------|
|------------------------------------|---------------------14-------------|
|------------------------------------|-----------------/14----------------|
|------------------------------------|------------------------------------|
1 2 3 4 1 2 3 4
|------------------------------------|------------------------------------|
|13~~~~~~~13----12-13~~~~~-----------|------------------------------------|
|---------------------------12-14-14b|16~~~~---11-12-11-12-11- -----------|
|------------------------------------|------------------------14-12-------|
|------------------------------------|------------------------------14-12-|
|------------------------------------|------------------------------------|
1 2 3 4 1 2 3 4
|12~~~~~~\---------14~~~~~~\---/12-14|15~~~~~~~\----/17-17~~~~~~~---17-19-|
|-----------/12-15-------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|19~~~~~\-17-19-19/22~~~-19-22-19-22-|24~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
|------------------------------------|------------------------------------|
