Cassette for supporting an audio tape in a compact disc rack

A cassette for supporting an audio tape in a compact disc rack, said cassette comprising:

• a base including two sides each having a flange laterally extended outward and each having a side wall extended upward, said side walls each including a middle portion having a first notch and each including an upper portion having at least one depression, said side walls each including at least one hole and each including a rear portion having an aperture, said base including a chamber,
• an insert engaged in said chamber of said base and including two side portions each having at least one projection for engaging with said holes of said base and for securing said insert to said base, said insert including a front wall and including a rear panel and including at least one recess formed in said side portion for aligning with said depressions of said base, said insert including a cavity for receiving an audio tape, said side portions of said insert each including at least one second notch for aligning with said first notches of said base and for allowing the audio tape to be removed from said insert, said insert including a tapered bottom for horizontally supporting the audio tape, and
• a cap including a rear portion having two bulges for engaging with said apertures and for allowing said cap to be rotated relative to said base about said bulges, said cap including two side portions each having at least one protrusion extended inward for engaging with said recesses and said depressions and for retaining said cap in place, said cap including a front portion having at least one rib for engaging with said front wall of said insert and for securing said cap to said insert.