Wherein masterpost mostly just means a collection of my 50 favorite mashups, but let’s just go with it. Click the disc name to download a zip file containing all tracks, or click the track name to download a file individually. All links are on MF.

- Disc One:

• Somebody Told Me To Feel Good (Gorillaz vs. The Killers)
• Love Gamebusters (Lady Gaga vs. Ray Parker Jr.)
• Rhiannon’s Breath (Fleetwood Mac vs. Sia)
• Don’t Cha Want Me (Pussycat Dolls vs. The Human League)
• In My Hazel Eyes (Coldplay vs. Kelly Clarkson)
• Say It’s Frozen (Madonna vs. Nelly Furtado)
• You’re The One That I want In The Next Episode (Grease vs. Dr. Dre)
• Red Umbrella (Rihanna vs. UB40)
• Crazy in the Car (Beyonce vs. Arcade Fire)
• Too Late To Dream (Darren Criss vs. One Republic)
• You Know I’m Gonna Set Fire To The Rain (Amy Winehouse vs. Adele)
• Religion In the Wind (Kansas vs. REM)
• Roll It (Salt n Pepper vs. Yeah Yeah Yeahs)
• Wicked Because Of You (Chris Isaak vs. Kelly Clarkson)
• Somebody to Praise (Fatboy Slim vs. Jefferson Airplane)
• Till The Dream Ends (Fleetwood Mac vs. Britney Spears)
• Hips Don’t Float (Shakira vs. Modest Mouse)
• Mo Free Fallin (Tom Petty vs. Notorious BIG)
• Hurts Like Teen Spirit (Johnny Cash vs. Nirvana)
• Mercy For Roxanne (Duffy vs. The Police)
• This Tightrope’s Made For Walkin (Nancy Sinantra vs. Janelle Moanae)
• What’s My Name Jack (Rihanna vs John Mellencamp)
• Chasing The Broken Hearted (Snow Patrol vs. Jimmy Ruffin)
• Roxanne’s Video Games (The Police vs. Lana Del Rey)
• Wicked Wedding (Chris Isaak vs. Billy Idol)

- Disc 2

• All of My Sublime Life (Foo Fighters vs. Sublime)
• Stand By La Vida (Coldplay vs. Ben E. King)
• Fall Out Gloria (Fall Out Boy vs. Gloria Gaynor)
• Boulevard of Broken Songs (Green Day vs. Oasis vs. Travis vs. Aerosmith)
• Decode the Rude Boy (Paramore vs. Rihanna)
• Ain’t No Other Man til You Get Enough (Christina Aguilera vs. Michael Jackson)
• Promiscuous Hips (Shakira vs. Nelly Furtado)
• Walk Like a Symphony (The Verve vs. The Bangles)
• Chicago Clocks (Sufjan Stevens vs. Coldplay)
• If I Were A Freefallin Boy (Beyonce vs. Tom Petty)
• Stand Up and Ring My Doorbell (The White Stripes vs. Ludacris)
• MIA’s Wanted Dead Or Alive (MIA vs. Bon Jovi)
• Johnny Cash’s Allstar Band is Gonna Cut You Down (Johnny Cash vs. Led Zeppelin vs. Beastie Boys vs. The Beatles vs. Ted Nugent)
• G6 Kids (Far East Movement vs. MGMT)
• Fade to Whenever (Shakira vs. Visage)
• Knock Out Eileen (LL COOL J vs. Dexy’s Midnight Runners)
• Ring on Me (A-Ha vs. Beyonce)
• Since U Been Hard to Find (Kelly Clarkson vs. American Analog Set)
• Shut Up In Herre (Nelly vs. The Ting Tings)
• Jude’ll Fix It (The Beatles vs. Coldplay)
• Bulletproof Mode (La Roux vs. Depeche Mode)
• Are You Gonna Be My Dirrrty Girl (Jet vs. Christina Aguilera)
• La Femme d’Everlong (Air vs. Foo Fighters)
• Behind Immortal Eyes (Kelly Clarkson vs. Evanescence)
• Bittersweet Dirt Off Your Shoulder (Jay Z vs. The Verve)

(Source: stackedcrooked)