They Don't Know (So Solid Crew song)
"They Don't Know" is a song by UK garage/hip hop group So Solid Crew. It is the title track of their 2001 debut album, and was released as the third single off the album. The song was a Top 5 hit, peaking at #3 on the UK Singles Chart. It was the second of five consecutive Top 20 hit singles for the group.;UK 12" singleCharts
