most of the song is played on glockenspiels and wat sounds like toy pianos or music
or something.
e-----------------|
b-----------------|
g-6-8-6-8-9-8-6-8-|
d-----------------|
a-----------------|
e-----------------|
e----------------|
b----------------|
g13--11---14--9--|
d----------------|
a----------------|
e----------------|
the bass and the strings play this almost all the way through
g----------------|
d----------------|
a----------------|
e-9-7-5-0--------|
[ Tab from: https://www.guitartabs.cc/tabs/b/bloc_party/signs_tab.html ]
this is the little falling glock line
e9-7-4-2---------|
b-9-7-5-2--------|
g----------------|
d----------------|
a----------------|
e----------------|
this is the "at your funeral" melody that the strings play
e------------14----14-|
b14--16--17------17---|
g---------------------|
d---------------------|
a---------------------|
e---------------------|
e17--16--17------|
b------------17--|
g----------------|
d----------------|
a----------------|
e----------------|
e17--16--17--16--|
b----------------|
g----------------|
d----------------|
a----------------|
e----------------|
thats bout it theres other harmonies on the glocks but thats way to much effort to tab