LISTEN: JAY Z's 'Holy Grail' Featuring Justin Timberlake

JAY Z's Magna Carta Holy Grail released last night to Samsung Galaxy users, but minutes afterwards, it was online. Thus, most of the album—if not all—can currently be found on the Web. Some of the tracks have been released officially, including Hov's collaboration with Justin Timberlake, "Holy Grail."

LISTEN: JAY Z & Beyoncé's 'Part II (On the Run)'

JAY Z's Magna Carta Holy Grail released to Samsung Galaxy users at midnight on Thursday morning. It took a whole 12 minutes for it to subsequently leak online. Wife Beyoncé, however, has officially released her duet with Mr. Carter, as "Part II (On the Run)" can be heard below.

Janelle Monáe Shares 'Dance Apocalyptic'; Album Due Sept. 10

Janelle Monáe has given fans double the reason to celebrate the weekend, sharing a new track on Friday and confirming the release date of her forthcoming record, The Electric Lady. The new party jam, "Dance Apocalyptic," arrives today for streaming with the music video coming on Tuesday (July 2). The album will release on Sept. 10 via Atlantic.

LISTEN: Beyoncé's 'Standing On The Sun' Full Track Leaks Online

Photo by John Furniss/AP

The full version of Beyoncé's H&M campaign song, "Standing on the Sun," has leaked online. The singer hasn't confirmed whether the track appears on her forthcoming fifth studio album.

Bey has performed the track during her live shows, so this isn't the first time many fans have heard the full version, but until now, the studio version was not available.

LISTEN: Iron & Wine's New Track 'Rattling Bone'

With the upcoming release of the new The Lone Ranger film set for July 2, Iron & Wine (aka Sam Beam) has released his contribution to the film's soundtrack, "Rattling Bone." The soundtrack, co-produced by the film's director, Gore Verbinski, includes music by Iggy Pop, Lucinda Williams and others.

LISTEN: Mariah Carey's '#Beautiful' Featuring A$AP Rocky & Miguel [Remix]

Mariah Carey is not satisfied so far with the performance of her hashtag-sporting single "#Beautiful." The R&B diva, who holds the record for solo artist with most No. 1 songs, was likely expecting her latest track to skyrocket to the top, but it has stalled at No. 15 for the past couple of weeks (new charts will be revealed Thursday). Thus, she has released the first of five new remix versions of the track. A new version featuring A$AP Rocky premiered on Wednesday.

LISTEN: K-Ci & JoJo Return With 'Knock It Off'

You probably didn't think you'd be hearing new K-Ci & JoJo today, but sometimes Mondays work out that way. The brothers return this week with a sensual bedroom jam, "Knock It Off," a taste of their forthcoming record which is expected in the fall. It's been 16 years since the duo debuted.