To compile the Cash Kings list, which charts pretax earnings for all living artists whose work is primarily classified as hip-hop or rap, we looked at income from touring, record sales, publishing, films, merchandise sales, endorsements and other ventures.

FORBES: Cash Kings 2012: Hip-Hop's Top Earners

Meanwhile, Lloyd's List says the issue of which nautical charts the captain of the vessel was using looks likely to be critical to his defence if he does face a criminal prosecution.

BBC: Concordia disaster: House arrest for Captain Schettino

Gnarls Barkley's "Crazy" was the anthem of 2006 that spilled over into 2007, but subsequent singles by the artists Cee-Lo and Dangermouse haven't made it past No. 88 on the charts, which puts them at No. 7 on the list.

CNN: Billboard ranks decade's one-hit wonders

Glassdoor.com, a jobs and career website where people share information and opinions about the places where they work, just unveiled its list of The Top 10 Highest Rated Financial Services Companies, which charts how firms in this industry have fared over the past year, based on employee sentiment.

FORBES: The Best Financial Services Companies to Work For Right Now

The list of one-hit makers is ranked by how high their first single climbed on the charts compared with how low their sophomore efforts peaked on the charts.

CNN: Billboard ranks decade's one-hit wonders