The most dangerous form of skin cancer, these cancerous growths develop when unrepaired DNA damage to skin cells (most often caused by ultraviolet radiation from sunshine or tanning beds) triggers mutations (genetic defects) that lead the skin cells to multiply rapidly and form malignant tumors.
In 1978, the Broadway musical and tribute to Fats Waller, Ain't Misbehavin', received a Tony Award as Best Broadway Musical.
Rapper's Delight, released in November 1979, was a serious push to get a rap record into the mainstream, and it worked, cracking the US Top 40 in January 1980 and becoming a seminal song in hip-hop history. The winning formula was boastful lyrics over a sampled beat - a technique that became ubiquitous in rap.