DOA2 is the first and best soundtrack of the series. First time when playing the demo on the Dreamcast, hearing Kasumi's theme: Hitohira ~reminiscent of ketsui no toki~ , blew me away! Then came Blazed up Melpomene (at first, I thought it was a mid-boss theme because facing Ryu on Kasumi's route on the demo convinced me until I found out it was Helena's). The whole soundtrack, though I later found out they were arrange tracks from the original arcade version, kicked ass. From YES or YES to Ultimate Weapon to the main select, D.O.A. Hardcore gave me a taste of 1's soundtrack with Densetsu no Hiken and The Fist of TAIKYOKU Blows Up! Going back to 1 with the original Ketsui no Toki, but then somehow we had Zack's theme for the PSX version, Gonna Make You Gasp, that went straight up porn.... O_O Best goes to Jann Lee's Heated Heartbeat, Gen Fu's Fastbreak and Bayman's Megadeath. Now the Rayhouse remixes in 2 Ultimate, I liked Bayman's as it went straight hip-hop and Helena's was pure French.
3 were hit or miss, but Eternity. God, that song had me humming that tune for days. Look Ahead, True Beauty, its to show, Reincarnate, Mayflower and Four Thousand are my picks
4 didn't gave me an impression until I dived into it later on. Moonlit Lady, Purity, Zany Zapper, Shade, Turn on the Lights, Fang, Solitary Desperation, Flowerbed and Alpha-152 has my vote.
5 wasn't that impressive to me. Most were lame like we're hearing a regular movie soundtrack and weren't memorable, except for Urges, Like a Dragon, Graceful Sounds and Can't Stop This Feeling.