The verse is just ska upbeats:

D D G A

then the guitar follows the bass and plays:
e|--------------------------------------|
B|--------------------------------------|
G|--------------------------------------|
D|--------4-----4-5-4-------------------|
A|--5-5-5---5-5-----------2--------4----|
E|--------------------3-3---3--5-5---5--|

that continues through the trumpet solo...

trumpet solo:
e|--------------------------------------------------------------------|
B|--------------------------------------------------------------------|
G|------------------------------4-6-4-----------4-6-4-----------------|
D|--4---7-5-4---------7---7-7-7-------7---7-7-7-------7---------------|
A|--------------5-5-5-------------------------------------------------|
E|--------------------------------------------------------------------|

e|--------------------------------------------------------------------|
B|-----------------5-5-5-------7--------------------------------------|
G|-----------------------7-7-7----------------------------------------|
D|--4-7-4-7-4---------------------------------------------------------|
A|------------7-5-----------------------------------------------------|
E|--------------------------------------------------------------------|

e|--------------------------------5-----------------------------------|
B|--5-5-5-------------------------------------------------------------|
G|--------7-7-7-6-6-6-7-4-6-4-----------------------------------------|
D|----------------------------7---------------------------------------|
A|--------------------------------------------------------------------|
E|--------------------------------------------------------------------|

then it goes to punk

D D G A

the little outro thingie is:
e|---------------------|
B|--10-10-10-9-7-------|
G|---------------7--7--|
D|------------------7--|
A|------------------5--|
E|---------------------|