This is my first time with this.  The High Kings do a great intro, but as for the 
guitar, Finbarr is just using the E and B chords.

Dirty Old Town - The High Kings
Capo 1

Intro: E, B,
               EI (022100@1)met my love, by the gas works wall
                   A (x02220@1)                           EDreamed (022100@1)a dream, by the old canal

I kissed my girl, by the factory wall
               B (x2444x@1)                    ADirty (x02220@1)old town, dirty old town

EClouds (022100@1)are drifting across the moon
              A (x02220@1)                        ECats (022100@1)are prowling on their beats

Springs a girl on the streets at night
              B (x2444x@1)                    ADirty (x02220@1)old town, dirty old town

EHeard (022100@1)a siren from the dock
         A (x02220@1)                              ESaw (022100@1)a train cut the night on fire

Smelled the breeze on the smokey wind
              B (x2444x@1)                    ADirty (x02220@1)old town, dirty old town

EI'm (022100@1)going to make me a big sharp ax
             A (x02220@1)                              EShining (022100@1)steel tempered in the fire

I'll chop you down like an old dead tree
              B (x2444x@1)                    ADirty (x02220@1)old town, dirty old town

(Change Key)

AI (x02220@1)met my love, by the gas works wall
          D (xx0232@1)                ADreamed (x02220@1)a dream, by the old canal

I kissed my girl, by the factory wall
                E (022100@1)                   DDirty (xx0232@1)old town, dirty old town
               E (022100@1)                    DDirty (xx0232@1)old town, dirty old town