choice already saved chord

Issue Summary

Hi

I have a proposal, chord that have by already saved,
to be able to easily attach to content in CCK fields

For example,
we have a C chord
his record is x, 3,2,0,1,0

enter the field of CCK
and choose the chord was already called "C"

there was no need to enter several times the chord

C

in the form of

x,3,2,0,1,0