This is the Brand New Low intro that i figured out and it sounds good
you might just have to toy around with the last little part to see
what sounds best to you.

Tune each string half step down.

h-hammer on
p-pull off

eb|-------------------------------------------------------------|
Bb|-------------------------------------------------------------|
Gb|-----2-----0-----------2h4-2p0-------- repeat this ----------|
Db|---3-----2-----0---0------------------ for the intro --------|
Ab|-3-----3-------2---2-----------------------------------------|
Eb|---------------3---3-----------------------------------------|