Book of Shadows might be my favorite material by Zakk Wylde, great stuff.

Leadlight Rose: My Exist Call

Megadeth - "Peace sells...but who's buying?"

Adam Lambert - Runnin'

Harpsichord and Chorus, from Warcraft 2: Tides of Darkness' OST.

Ray Oddis - Happy Ghoul <span class="bold">Tide</span> (1964)

Rick, Robin and Him - Three <span class="bold">Chorus</span>es of Despair (1966)

Diana Ross - Diana Ross - <span class="bold">Dark</span> Side of the World (1970)
Covers:
Marvin Gaye - Motown Remembers Marvin Gaye: Never Before Released Masters - <span class="bold">Dark</span> Side of the World (recorded 1970, released 1986)

Gladys Knight &amp; the Pips - A Cellarful of Motown! Volume 4 - A Bird in the Hand (Is Worth <span class="bold">Two</span> in the Bush) (recorded 1971, released 2010)
Cover of The Velvelettes - A Bird in the Hand (Is Worth <span class="bold">Two</span> in the Bush) (1965)

William Bell - Marching off to <span class="bold">War</span> (1966)

"<i><span class="bold">Two</span> By <span class="bold">Two</span></i>" :P

Derived from post 4144 "Glenn Stafford - Warcraft 2: Tides of Darkness Soundtrack - Harpsichord and Chorus"

Astral Projection - Dancing Galaxy.

1. Steady? Yessir.
2. Rollin'? Rollin'.
3. Man? Last time I checked. All parts present and accounted for.

George Thorogood - I'm Steady Rollin' Man
https://www.youtube.com/watch?v=JDW5VkryIkc

Iron Maiden - The Reincarnation of Benjamin Breeg

https://www.youtube.com/watch?v=yz-K8rY9IXo

Gus G - What Lies Below (featuring Elize Ryd)

Broilers - "Santa Muerte"

Had this for yesterday but got busy and passed out before digging up links. :P

The Gospel Stars - Behold the <span class="bold">Saint</span>s of God (1961)

The Marvelettes - Sophisticated Soul - What's Easy for Two Is <span class="bold">Hard</span> for One (recorded 1966, released 1968)
Cover of Mary Wells - What's Easy for Two Is <span class="bold">Hard</span> for One (1963)
More Covers:
The Temptations - What's Easy for Two Is <span class="bold">Hard</span> for One (recorded 1965, released 1999)
Lulu - What's Easy for Two Is <span class="bold">Hard</span> for One (1964)
Connie Haines - What's Easy for Two Is <span class="bold">Hard</span> for One (1966)
The Intruders - Energy of Love - What's Easy for Two Is <span class="bold">Hard</span> for One (1974)

Roebuck "Pops" Staples - Whicha <span class="bold">Way</span> Did It Go (1974)

The Leaders - Which <span class="bold">Way</span> (1972)

Barbara Lewis - That's the <span class="bold">Way</span> I Like It (I Like It That <span class="bold">Way</span>) (1971)

"<i><span class="bold">Hard</span> to Handle</i>"

Derived from post 4150 first track "Broilers - Santa Muerte (St. Death) - Preludio: Santa Muerte / Harter Weg (Hard Way) (Go!)"

Robyn Hitchcock - Luxor

Five Finger Death Punch - Got your six.

Next on the list is Rammstein - Feuer Frei