I found the online tabs for this song to be wrong and insufficient.  
My information is gleaned mostly from a youtube video of 
Pete Doherty playing this song on acoustic guitar.  Hope you like it.

Song: When I Get Low I Get High
Artist: Ella Fitzgerald/Pete Doherty
Tuning: standard

Verses:
                                      Dm   E7   Am   E7
e-------------------------------------5-5-------5-5------|
A-------------------------------------6-6--5-5--5-5--5-5-|
D-------------------------------------7-7--7-7--5-5--7-7-|
G-------------------------------------7-7--6-6--7-7--6-6-|
B------7-77-----7-777-----7--8-7-5-7--5-5--7-7--7-7--7-7-|
E--5-8------5-8-------5-8-----------------------5-5------|

Bridge:
Dm   Am
Dm   Am  E7 (turnaround)

email me your better version, I'd love to see it.  eb5986 at mcla.edu