Lazlo Bane’s music is currently available digitally through online music stores and streaming services. For the most of the physical releases, including Almo Sounds era recordings, you have to look for second hand retailers.
For sources of a copy of the most recent physical reissue, All the Time in the World vinyl edition, see this post.
Some of the stores and streaming services where you can buy or listen to the music include:
The (Silent) Rage
The (Silent) Rage music was released only digitally and is available from the online retailers and streaming services. They include: