For the verse:

            G (320003@1)                    Bm (x24432@1)      CShe's (x32010@1)a jar with a heavy lid, my pop kid quiz....

(it keeps that pattern the entire way through)

for the chorus:
G (320003@1)            Am (x02210@1)           Bm (x24432@1)                        B7Just (x21202@1)climb aboard, the tracks of the trains are

Em (022000@1)                                  Bm (x24432@1)    Bm-Bbm-Am
Through my fragile family tree

Am (x02210@1)                                 F#dimwatch (2312xx@1)me floating inches above the people underneath.

If you're not as competent at the harmonica as Jeff is, here is the tab for the solo

E ------3-----------------------------------------------------------|
B ----------3-----0-------------------------------------------------|
G -------------------0------2-------4-------------------------------|
D ------------------------------------------------------------------|
A ------------------------------------------------------------------|
E ------------------------------------------------------------------|