Adele joins Titanic in her 16-week chart reign

British singer Adele's multi-platinum selling album 21 scored its 16th week at No. 1 on the Billboard 200 album chart on Wednesday, entering an elite list of only five albums to cross the that mark in the past 20 years.

21, which has been selling more than 100,000 copies each week for 33 weeks, joined the ranks of the soundtrack to the 1997 box-office phenomenon Titanic, Whitney Houston's soundtrack to 1992 film, The Bodyguard, country crooner Garth Brooks' Ropin' The Wind and Billy Ray Cyrus' Some Gave All, also in 1992, all of which crossed 16 weeks at No. 1.

Recently disbanded Christian rock group David Crowder Band made the highest chart debut this week at No. 2 with new album Give Us Rest, selling 50,000 copies.

Irish alternative rock band Snow Patrol debuted their sixth studio album, Fallen Empires, at No. 5, following Black Keys' El Camino and Drake's Take Care.

Adele also snatched the top spot on the Digital Songs chart with Set Fire to the Rain from last week's No. 1, Jason Mraz's I Won't Give Up, which fell to No. 9.

This week saw low sales on the album chart, as the bottom three CDs on the Top 10 list sold less than 20,000 copies each, the first time in Nielsen SoundScan history that albums selling less than 20,000 have entered the top 10.