Digital availability:

Both The River Runs and Halfway, through Night (or its individual songs) can be digitally purchased as downloads or for streaming through all major vendors (e.g., Amazon, Apple Music, iTunes, Spotify, CDBaby, Deezer, etc.).

Physical copies:
Halfway, through Night can also be purchased as a physical CD through either Amazon or CDBaby.

A few links have been provided below for your convenience.