Young's sixth album Echoes debuts at the top on sales of 65,773 copies as its first singe Jealously enters the singles chart at five. It is his third number one, following debut From Now On and follow-up Friday's Child.
Informed more by his success in a second reality show, Popstar To Operastar, Joe McElderry's Classic debuts at number two, on sales of 35,609. It arrives only 10 months after his more pop-slanted debut Wide Awake entered and peaked at number three, with first week sales of 39,405.
The Young/McElderry double whammy denies Adele's 21 the opportunity of extending its already record introductory run in the top two to 31 weeks as it slips to three.
In a very busy week for debuts, Wretch 32's new album Black And White debuts at number four (24,724 sales).
Barbra Streisand racks up her 30th chart entry with What Matters Most (number seven, 15,610 sales), a collection of new recordings of the songs of Alan and Marilyn Bergman.
Hard-Fi topped the chart with their first two albums, 2005's Stars Of CCTV and 2007's Once Upon A Time In The West but their third, Killer Sounds, opens at number nine (11,766 sales).
The last new arrival in the Top 40 is The R.E.D. Album by rapper Game, which provides his fourth straight Top 40 success, debuting at number 14 (10,148 sales).
Number one a week ago, Nero's Welcome Reality retreats to number eight (15,221 sales). Amy Winehouse's albums are also in decline, more than a month after her death. Back To Black dips 3-6 (17,868 sales), while Frank dives 12-24 (5,479 sales).
After plummeting to a 692 week low of 1,482,414 last week, album sales are up 13.88% week-on-week at 1,688,221 - 7.47% below same week 2010 sales of 1,824,479.
A year to the day after releasing his debut single, Please Don't Let Me Go which became an instant number one, X Factor star Olly Murs returns to the chart summit for the first time since, with Heart Skips A Beat. Its tally of 109,151 first week sales is the highest for a number one single for six weeks.
The track features the hip-hop duo Rizzle Kicks, whose own introductory hit, Down With The Trumpets has been on the chart eight weeks without once falling. Moving 58-44-22-20-9-8-8-8, it has thus far sold 161,684 copies.
There are also Top 10 debuts for Calvin Harris' Feel So Close (number two, 87,846 sales), and Will Young's Jealousy (number five, 53,224 sales).
Noel Gallagher had 26 hits with Oasis and takes flight again this week with The Death Of You And Me, (number 15, 18,919 sales), on which he is credited as Noel Gallagher's High Flying Birds.
What The Water Gave Me is the introductory single from Florence + The Machine's upcoming second album, and debuts at number 24 (14,734 sales) despite not being made available for download until last Tuesday.
Sean Kingston secures his sixth Top 40 hit as Party All Day (Sleep All Night) rockets 124-18 (16,695 sales).
Overall singles sales improve by 7.24% week-on-week to 3,121,115 - 19.31% above same week 2010 sales of 2,616,067.