Drop Db, tempo around 75-80 or so.
Intro
Gb------T--------|~~~~~~~~~~~~~~
Db-----S---------|~~~~~~~~~~~~~~
Ab----E----------|~~~~~~~~~~~~~~
Db---R-----------|~~~~~~~~~~~~~~
Chorus (1a 2a 3a 4a)
Gb------------------|------------------|
Db------------------|------------------|
Ab--0-0-0-0---------|--3-3-3-3---------|
Db----------3-3-3-3-|----------2-2-2-2-| x2
Gb------------------|------------------|
Db------------------|------------------|
Ab--0~~~~~~~--------|--3~~~~~~~--------|
Db----------3~~~~~~~|----------2~~~~~~~| x4
Bridge
[ Tab from: https://www.guitartabs.cc/tabs/s/system_of_a_down/lonely_day_btab_ver_2.html ]
Gb------------------|------------------|
Db------------------|------------------|
Ab------------------|----------0-0-0-0-|
Db--3-3-3-3-2-2-2-2/|--5-5-5-5---------| x2
(1olet 2olet 3olet 4olet)
Gb------------------|------------------|
Db------------------|------------------|
Ab------------------|------------------|
Db--333-333-333-333-|--222-222-222-222-|
Solo/Chorus
Gb------------------|------------------|
Db------------------|------------------|
Ab--0-0-0-0---------|--3-3-3-3---------|
Db----------3-3-3-3-|----------2-2-2-2-| x8
Outro
Gb------------------|------------------| |--------------------|
Db------------------|------------------| |--------------------|
Ab--0~~~~~~~--------|--3~~~~~~~--------| |--0~~~~~~~~~~~~~~~~~|
Db----------3~~~~~~~|----------2~~~~~~~| x2 |--------------------|
