Tuning - Half a step down

This is the intro/main riff of the song

Eb|----------------------------------|
Bb|----------------------------------|
Gb|---------8b---------------8b------|
Db|-----6-----6---6------6-----6---6-|
Ab|---7---7-----7------7---7-----7---|
Eb|-0----------------0---------------|

Eb|----------------------------------|
Bb|---------3---3p0---------3---3/5--|
Gb|-----1-----1---------1-----1------|
Db|---2---2-----------2---2----------|
Ab|-0---------------0----------------|
Eb|----------------------------------|