"The Music Lives On Now the Mines Have Gone" was released on Monday on the Island label, part of music giant Universal.
"A Band for Britain" goes on sale a week later on the Decca label, part of the same group.
Universal, keen to play up the rivalry between two of its own acts, has labelled it the "battle of the bands ... with the potential to blast even Lady Gaga from the top." Disco diva Lady Gaga is also signed to Universal.
According to Decca, the Dinnington Colliery Band from Yorkshire was on the brink of folding when it was chosen to feature in a BBC television series "A Band For Britain". After that, Universal signed it up in a lucrative record deal.
Reflecting the social and economic decline of former mining regions as mines closed, brass bands traditionally associated with the coal industry fell silent and only a handful remained.
In the industry's heyday, miners would pay a small levy to support their local band and took pride in its participation in regional and national brass band competitions.
DOWN TO SIX PLAYERS
Dinnington was down to just six members, five from the same family, and no conductor, and its 100-year history looked in jeopardy before the BBC and Decca stepped in.
"This is not for any individual gain but more for the important role the band plays in their community," said Tom Lewis, head of artists and repertoire at Decca.
Coinciding with the album release on March 8 is the first instalment of a BBC2 television series about the band's fight against closure led by presenter Sue Perkins.
The album features favourites of the genre including "Abide With Me", "Jerusalem" and "Danny Boy".
It is up against The Music Lives On Now the Mines Have Gone which was recorded by some of Britain's best-known and successful brass acts including the Grimethorpe Colliery Band.
The releases are designed to coincide with the anniversary of the miners' strike of 1984 and 1985, a bitter dispute that signalled the beginning of the end of coal mining as an important part of the British economy.
Mining communities were decimated by the sometimes violent confrontation, part of then Prime Minister Margaret Thatcher's broader battle with trade unions which helped earn her the nickname "Iron Lady".