Here's my attempt at tabbing the requiem solo.
Trivium - Requiem (Solo)
Tabbed By: Joel
Tuning: E Standard (EADGBE)
Use the neck pickup for this solo.
E|---------------------------------------------------------------------------------19-17-15-17-15-14-15-14-------|
B|------------15b--15b-15b-15b-15b-15b-12-15--20-19-17-------22-20-19-15-12--------------------------------15-17-|
G|-7h9--14p12------------------------------------------19-17----------------14-----------------------------------|
D|-----------------------------------------------------------------------------12--------------------------------|
A|---------------------------------------------------------------------------------------------------------------|
E|---------------------------------------------------------------------------------------------------------------|
E|-22-19-17--------------------19-22-22b-|
B|---------------------------------------|
G|----------19--14-19--------------------|
D|--------------------17-19--------------|
A|--------------------------17-----------|
E|---------------------------------------|
I'm don't know the next bit, but this works well...
E|-------------------------------------------------------------------------------------------------------------------------------------|
B|-------------------------------------------------------------------------------------------------------------------------------------|
G|-------------------------------------------------------------------------------------------------------------------------------------|
D|-------------------------------------------------------------------------------------------------------------------------------------|
A|-9-9-9-9-9-9-9-9-9-9-9-9-10-10-10-10-10-10-10-10-10-10-10-10-12-12-12-12-12-12-12-12-12-12-12-12-14-14-14-14-14-14-14-14-14-14-14-14-|
E|-------------------------------------------------------------------------------------------------------------------------------------|
E|----------------------------------------------------------------------------------------------|
B|----------------------------------------------------------------------------------------------|
G|-12-12-12-11-11-11-9-9-9-11-11-11-11-12-12-12-12-12-12-11-11-11-9-9-9-14-14-14-12-12-12-12-9~-|
D|----------------------------------------------------------------------------------------------|
A|----------------------------------------------------------------------------------------------|
E|----------------------------------------------------------------------------------------------|
Hope you like it!