Damn you guys are good. Here are the correct guesses so far, plus the guessed letters:
Stadler: Billy Joel
1: Vienna
2: An Innocent Man
3: Scandinavian Skies
4: The Night is Still Young
??: Triumph
1: Allied Forces
2: Somebody’s Out There
3: Fight the Good Fight
4: Lay It on the Line
5: Magic Power
??: Judas Priest
1: Exciter
2: Beyond the Realms of Death
3: Dissident Aggressor
4: The Hellion
5: Electric Eye
6: The Sentinel
??: ___t Ba__r
1: D_ It t__ _ard _a_
2: All t__ T_i__s ___ Ar_
3: B_t __t __r __
4: __ _____ _al__ti__
5: St_lla B_ Starli__t
6: T__r_ _ill ____r B_ A__t__r ___
wolfking: W.A.S.P.
1: On Your Knees
2: Mean Man
3: Restless Gypsy
4: Hellion
5: Rebel in the F.D.G.
??: L___l __
1: __
2: A __ara__'s Dr_a_ (__ __dl_ss Ti__)
3: A _l_ati__ Li__
4: _a_
??: Jim Croce
1: One Less Set of Footsteps
2: Operator (That’s Not the Way It Feels)
3: I Got A Name
??: Tears for Fears
1: Shout
2: Mothers Talk
3: Sowing the Seeds of Love
4: Swords and Knives
??: _’____
1: T__ _r____t
2: T__ A_t_rs ___
3: _ _,_
4: Ba_’____
??: Joan Baez
1: L___ is __st a ___r-L_tt_r __rd
2: S___t Sir _ala_ad
3: Diamonds and Rust
4: ____st L_llab_
Sacul: Kate Bush
1: Running Up That Hill (A Deal With God)
2: ____ds __ L___
3: T__ Bi_ S__
4: _l__db_sti__
5: _i_ __ Li__
??: Slayer
1: Angel of Death
2: South of Heaven
3: Raining Blood
??: Supertramp
1: Give a Little Bit
2: The Logical Song
3: Breakfast in America
4: Take the Long Way Home
5: Crime of the Century
??: ___rati__ I__
1: ____l_d__
2: S___d S_st__
3: __it_
4: __alt__ B_d_
??: Killing Joke
1: L___ Li__ Bl__d
TAC: Gary Moore
1: Blood of Emeralds
2: Empty Rooms (Live)
3: The Loner
HOF: The Blue Nile
1: Over the Hillside
2: Tinseltown in the Rain
3: Heatwave
4: The Wires Are Down
??: Styx
1: AD 1928
2: Rockin’ the Paradise
3: Blue Collar Man (Long Nights)
4: Fooling Yourself (The Angry Young Man)
5: Renegade
6: Pieces of Eight
Guessed letters: TIDBALSR