In 2008, the Postmarks released a new song digitally every month, each song being a cover version of a tune featuring a number in the title that corresponded to the number of the month -- a pretty good idea to fight off the blahs of a tanking music industry and the rigors of recording an album all at once. The songs were all collected and released in November under the title By-the-Numbers. While many of the songs the group selected to cover are intriguing