Complex sentence: From its inception until 1975, each week's CHUM Chart was published in a brochure format, with additional features promoting the station and its personalities, which was distributed to record stores and music venues across the city.
Split into simpler sentences: From its inception until 1975, each week's CHUM Chart was published in a brochure format, with additional features promoting the station and its personalities. It was distributed to record stores and music venues across the city.