The song basically starts out with these two chords alternating. Listen for the rhythm.
Verse:
eb-----
Bb-----
Gb-8-9-
Db-9-9-
Ab-7---
Eb-----
There is a little trick that Claudio does when he plays it live before he restarts the verse.
eb--------------------------|
Bb--------------------------|
Gb--------------------------|
Db--------------------------|
Ab-----0h7--------0 10/0----|
Eb-0h7h9----9-0h7h9---------|
[ Tab from: https://www.guitartabs.cc/tabs/c/coheed_and_cambria/feathers_tab_ver_8.html ]
eb--------------------------|
Bb--------------------------|
Gb--------------------------|
Db--------------------------|
Ab-----0h7--------0-6h7p6h7-|
Eb-0h7h9---9-0h7h9----------|
Chorus:
A Em C#
eb-0-0--0-|
Bb-2-0--0-|
Gb-2-1--4-|
Db-2-2--4-|
Ab-0-2--2-|
Eb-0-0--x-|
Bridge:
C Am Em C#
eb-0-0--0--0-|
Bb-1-1--0--0-|
Gb-0-2--1--4-|
Db-2-2--2--4-|
Ab-3-0--2--2-|
Eb-0-0--0--x-|
