This is the Time Is Running Out bass tab, Drop D tuning.  The song is cool, sounds 
good, despite the fact it's easier than reading this paragraph I typed. The song is basically 
different riffs, described below, with whatever variations necessary pointed out.

Riff 1 (Intro, Bridge)
|---------------------------------------------------|
|---------------------------------------------------|
|-8---8-8--8---8-8--8--8-8--------------------------|
|--------------------------7---7-7--7---7-7--7--7-7-|
End on:
|------------------------------|
|------------------------------|
|-8---8-8--8---8-8--8--8-8-10~-|
|------------------------------|
Riff 2 (Chorus)
|-----------------------------------------------------------------|
|-----------------------------------------------------------------|
|-8-8-8--8-8-8--10-10-10--10-10-10-10-----------------------------|
|--------------------------------------5-5--5-5-5--7-7-7--7-7-7-7-|
End on:
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|-8-8-8--8-8-8--10-10-10--10-10-10-10---------------------------|
|--------------------------------------5-5--5-5-5--7-7-7--5-5-5-|
Riff 3 (Verse, just a variation of riff 1)
|--------------------------------------|
|--------------------------------------|
|-8-8-8--8-8-8-8-----------------------|
|-----------------------7-7-7--7-7-7-7-|
End on:
|---------------------------|
|---------------------------|
|-8-8-8--8-8-8-8--------10~-|
|---------------------------|
Verse fills-
Verse 1 (0:46)   Verse 2 (1:22)
|------|         |------|
|------|         |------|
|--7\--|         |-1/7\-|
|------|         |------|
Riff 4 (Outro)
|---------------------------------|
|---------------------------------|
|-----------------3-3-3-3---------|
|-3-3-3-3-3-3-3-3---------5-5-5-5-|
End on:
|-----------------------------------|
|-----------------------------------|
|-----------------------------------|
|-3-3-3-3-3-3-3-3-5~-------7~-------|
Repeat each section however many times necessary, it's pretty obvious.
Legend:   ~ = hold note    / = slide up   \ = slide down