Al Collier is not a widely recognized artist or band in music history, making it difficult to provide a detailed description of their musical style, significance, and history. There may be some confusion with the name, as there are several individuals in the music industry named Al Collier but none seems to have left a substantial impact. If you have more precise information about the artist's work, time period, or discography, it would be beneficial for the creation of a more accurate and in-depth description.