DESCRIPTION:
A vocal comparison between Geoff Tate (Queensryche) and Michael Kiske (ex-Helloween, Place Vendome) part 1/2 (1983-1996):

00:11 Queen of the Reich (1983) - 00:19 Victim Of Fate * (1987)
00:30 Warning (1984) - 00:40 We Got The Right (1988)
00:52 Child Of Fire (1984) - 00:59 Halloween (1987)
01:06 The Mission (1988) - 01:30 Windmill [demo] (1993)
01:59 Roads to Madness (1984) - 02:17 You Always Walk Alone (1988)
02:31 Spreading The Disease (1988) - 02:39 We Got The Right (1988)
02:49 Prophecy (1984) - 03:09 I Want Out (1988)
03:38 The Lady Wore Black (1983) - 03:58 A Tale That Wasn't Right (1987)
04:17 Spreading The Disease (1988) - 04:25 Dr Stein (1988)
04:34 The Lady Wore Black (1983) - 05:01 A Tale That Wasn't Right (1987)
05:33 Roads to Madness (1984) - 05:38 Future World (1987)
05:43 Before The Storm (1984) - 05:50 March Of Time (1988)
05:58 Roads to Madness (1984) - 06:05 Keeper Of The Seven Keys (1988)
06:13 Child Of Fire (1984) - 06:29 Victim Of Fate * (1988)
06:48 Suite Sister Mary (1988) - 06:59 Giants (1993)
07:13 Prophecy (1984) - 07:21 You Always Walk Alone (1988)
07:30 Empire (1990) - 07:46 Save Us (1988)
08:03 Blinded (1983) - 08:12 Halloween (1987)
08:21 Take Hold Of The Flame (1984) - 08:31 Victim Of Fate * (1988)
08:46 Eyes Of A Stranger (1988) - 08:54 Your Turn (1992)
09:06 Nightrider (1983) - 09:11 I'm Alive (1987)
09:17 Scarborough Fair (1990) - 09:25 Be True To Your Self (1996)
09:34 Empire (1990) - 09:43 Key To The Universe (2002)

(The samples are not necessarily comparisons of the same 'note')