"The Rock Garden" is an obscure reference as there are multiple artists and bands known by this name, each with different styles and histories. Further clarification would be required to provide a concise and factual description. For example, The Rock Garden from the UK, active in the 80s and 90s, had a distinct indie pop sound, while a different band known as The Rock Garden from Canada, active in the 60s, had a more psychedelic rock style. The band's influences, significance, and key members would vary based on which "The Rock Garden" is being referred to.