Complex sentence: Part of the Ralphs chain of supermarkets, it is so-named because of its proximity to the sheet music and instrument stores that line the boulevard and because rock and movie stars are known to frequent it late nights between club gigs and party hopping.
Split into simpler sentences: Part of the Ralphs chain of supermarkets, it is so-named because of its proximity to the sheet music and instrument stores that line the boulevard. Allegedly, rock and movie stars are known to frequent it late nights between club gigs and party hopping.