Junko Ozawa

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Junko Ozawa
Local 小沢 純子 (おざわ じゅんこ)
Born 1959-06-08
Birth Place Soka, Saitama, Japan
Nationality Japanese   Japan.svg
Aliases Zunko Odawa, Bebe Ozashiki, ずんこ (Zunko), ずんちゃん (Zun-Chan), フローレンスずん (Florence Zun), ずん (Zun), Zun, ずんちゃん (Zun-chan)

Junko Ozawa (better known as Zunko) is a Japanese composer, sound designer, and sound programmer. She was a sound designer for Namco from 1983 to 2008. She is also a graduate from the Kunitachi College of Music.

Junko originally wanted to work for Namco because she enjoyed the Nyamko character from the game Mappy. She wrote a song during her training for Namco, which was liked by Masanobu Endo, and she was eventually assigned to their coin-op division. There, she wrote music for several of the company's arcade games. Later, when the company started working on the NES, and after Nobuyuki Ohnogi departed Namco, she started doing the music and sound for Namco's NES conversions of arcade games such as Mappy and Pac-Man.

Some of Ozawa's notable works include The Tower of Druaga, Sky Kid, and Rolling Thunder.

Music Development


Junko said, specifically for Rolling Thunder, that she wrote the music in assembly on the MC6809 CPU.

She used Namco's FM sound driver by Junichi Mizutari.


Junko originally wrote the music in assembly using a sound driver by Nobuyuki Ohnogi and Fukashi Ohmorita. Later she learned NES programming and modified Ohmorita and Ohnogi's sound driver.


Junko said that because there was no MIDI to work with, she programmed her own sound driver and wrote the music in assembly. Unlike Namco's first driver by Shinya Yamada, which was based off of Nintendo's Kankichi-kun driver, Ozawa's sound driver is original.

Her driver allowed users to make their own instrument samples, but Junko sampled instruments from her Ensoniq keyboards she owned at the time.


Released Title Sample Notes
1983-??-?? Libble Rabble (ARC) (リブルラブル) Arranged Wedding March by Felix Mendelssohn.
1984-08-30 Tank Battalion (MSX) (タンクバタリアン)
1984-??-?? Cosmo Swat (ARC) (コスモスワット)
1984-??-?? Gaplus (ARC) (ギャプラス)
1984-??-?? The Tower of Druaga (ARC) (ドルアーガの塔)
1984-11-02 Pac-Man (NES) (パックマン)
Arranger [1]
1984-11-14 Mappy (FC) (マッピー)
Arranger [2]
1985-??-?? Dig Dug II (ARC) (ディグダグII) With Yuriko Keino.
1985-??-?? Sky Kid (ARC) (スカイキッド)
1985-07-12 Warpman (FC) (ワープマン) With Nobuyuki Ohnogi and Yuriko Keino.
1985-08-06 The Tower of Druaga (FC) (ドルアーガの塔)
1985-09-09 Battle City (FC) (バトルシティー)
1986-04-18 Dig Dug II: Trouble in Paradise (NES) (ディグダグⅡ)
1986-??-?? The Return of Ishtar (ARC) (イシターの復活)
1986-??-?? Rolling Thunder (ARC) (ローリングサンダー)
1986-??-?? Sky Kid Deluxe (ARC) (スカイキッドデラックス)
1986-??-?? Toypop (ARC) (トイポップ)
1986-08-22 Sky Kid (NES) (スカイキッド)
1987-??-?? Pac-Mania (ARC) (パックマニア)
1987-??-?? Quester (ARC) (クエスター) Sound Driver with Takatoshi Kobayashi.
1987-??-?? Rolling Thunder (AMI) Arranged by Mark Tait.
1987-??-?? Rolling Thunder (AST) Arranged by Mark Tait.
1987-04-02 Sanma no Meitantei (FC) (さんまの名探偵) Music Assistant
1987-04-24 Family Jockey (FC) (ファミリージョッキー)
1987-12-11 Family Tennis (FC) (ファミリーテニス)
1987-12-22 Pro Yakyuu: Family Stadium '87 (FC) (プロ野球ファミリースタジアム'87)
1988-??-?? Rolling Thunder (CPC) Arranged by Mark Tait.
1988-05-20 Pro Yakyuu World Stadium (PCE) (プロ野球ワールドスタジアム) Composer?
1988-07-22 The Quest of Ki (FC) (カイの冒険)
1988-08-11 World Court Tennis (TG16) (プロテニス ワールドコート)
1988-12-20 Pro Yakyuu: Family Stadium '88 - Nendoban (FC) (プロ野球ファミリースタジアム'88 年度版)
1989-??-?? Four Trax (ARC) (フォートラックス) With Yoshie Takayanagi.
1989-??-?? Rolling Thunder (C64) Arranged by Mark Tait.
1989-??-?? Rolling Thunder (NES) (ローリングサンダー)
Unknown arranger. Possibly Atsuko Iwanaga.
1989-06-23 La Salle Ishii no Child's Quest (FC) (ラサール石井のチャイルズクエスト)
1989-07-28 Famista '89 (FC) (ファミスタ '89: 開幕 版!!)
1989-12-19 Famista '90 (FC) (ファミスタ '90)
1990-??-?? R.B.I. Baseball 2 (NES)
1990-08-31 Dig Dug II (FDS)
1990-12-21 Famista '91 (FC) (ファミスタ '91)
1991-10-04 Chibi Maruko-chan: Uki Uki Shopping (FC)
1992-10-22 Top Striker (FC) (トップストライカー) Verified by composer.
1992-12-22 Famista '93 (FC) (ファミスタ '93) Voice
1994-??-?? Pac-Man 2: The New Adventures (GEN)
1994-03-25 The Blue Crystal Rod (SFC) (ザ・ブルークリスタルロッド)
1994-08-05 J.League Soccer: Prime Goal 2 (SFC) (Jリーグサッカープライムゴール2) Sound Driver
1994-12-16 Wagyan Paradise (SFC) (ワギャンパラダイス) Sound Driver
1994-12-22 Yuu Yuu Hakusho: Special Edition (SFC) (幽☆遊☆白書 特別篇) Sound Program
1995-01-27 Cyber Sled (PS1) (サイバースレッド) Sound Engineer with Hiromi Shibano.
1995-03-03 Super Famista 4 (SFC) (スーパーファミスタ4) With Takaki Horigome and Koji Nakagawa.
1996-02-29 Super Famista 5 (SFC) (スーパーファミスタ5) Sound Driver
1997-10-?? LiberoGrande (ARC) (リベログランデ)
1997-12-11 Klonoa: Door to Phantomile (PS1) (風のクロノア) With Eriko Imura, Kanako Kakino, Tetsukazu Nakanishi, Kota Takahashi, Hiroshi Okubo, Tomoko Tatsuta, and Takaki Horigome.
1998-02-01 Super Family Gerende (SFC) (スーパーファミリーゲレンデ) Sound Driver
1998-??-?? Family Bowl (ARC) (ファミリーボウル)
1999-08-?? Pac-Man: Special Color Edition (GBC)
2003-12-05 The Tower of Druaga (GC)
2003-12-12 Donkey Konga (GC)
2004-07-01 Donkey Konga 2 (GC)
2005-03-17 Donkey Konga 3: Tabehōdai! Haru Mogitate 50 Kyoku (GC)
2011-11-13 Druaga no Meikyuu (ARC) (ドルアーガの迷宮)
Unreleased Rolling Thunder (LYNX) Unknown arranger.

Picture Gallery