by Stephen Thomas ErlewineThe incessantly catchy pop-funk number"Everybody Have Fun Tonight" illustrates the change in musical direction Wang Chung undertook on Mosaic. Backing away from the synth-laced pop/rock that characterized their earlier albums, the duo concentrated on dance-pop. Apart from the singles"Everybody Have Fun Tonight,""Let's Go!," and"Hypnotize Me," the band had trouble coming up with well-constructed pop songs, making Mosaic a checkered affair.