「愛と修羅」（あいとしゅら）は、に発売された角松敏生通算27作目のシングル。

解説 
「愛と修羅」はアルバム『存在の証明』からの先行シングル。表記はないがシングル・ヴァージョンであり、アルバム・ヴァージョンでは新たにコーラスとスティーヴ・ガッドのドラムが追加されている。「UP TOWN GIRL in 有楽町」はアルバム『ALL IS VANITY』収録曲のライヴ・ヴァージョン。2000年1月24日に東京国際フォーラムで収録されたライヴ・テイクにスタジオでの追加レコーディングが行なわれている。「愛と修羅 (acoustic version)」はメイントラックからエレクトリックベースやキーボードなど電子楽器や打ち込みの音が抜かれた別ミックスとなっている。

初回盤のみ、WOWOWシークレット・ギグ「角松敏生“Flow”in TOKYO TOWER」応募券を封入。

収録曲 
 愛と修羅  
 Words by TOSHIKI KADOMATSU, Music by TOSHIKI KADOMATSU, Arranged by TOSHIKI KADOMATSU
 UP TOWN GIRL in 有楽町  
 Words by TOSHIKI KADOMATSU, Music by TOSHIKI KADOMATSU, Arranged by TOSHIKI KADOMATSU
 愛と修羅   
 Words by TOSHIKI KADOMATSU, Music by TOSHIKI KADOMATSU, Arranged by TOSHIKI KADOMATSU
 愛と修羅   
 Words by TOSHIKI KADOMATSU, Music by TOSHIKI KADOMATSU, Arranged by TOSHIKI KADOMATSU

クレジット

愛と修羅 
 Words by TOSHIKI KADOMATSU
 Music by TOSHIKI KADOMATSU
 Arranged by TOSHIKI KADOMATSU

 TOSHIKI KADOMATSU / Vocal, Electric Guitar Solo, Acoustic Guitar, Keyboards, Background Vocals, Computer programming
 TOMOHITO AOKI / Bass
 SHINGO KOBAYASHI / Acoustic Piano
 YOSHIHIRO TOMONARI / Wurlitzer
 MILTON CARDONA / Percussion
 YOSHIYUKI "BUTCHER" ASANO / Electric Guitar
 MICHIAKI TANAKA / Percussion
 HIROSHI YAMADA / Computer Manipulator

 Mixed by SHINICHI KAWASUMI (MIXER'S LAB), TOSHIKI KADOMATSU
 Recorded by SHINICHI KAWASUMI (MIXER'S LAB)
 Engineering Assisted by MINORU HIROSE (MIXER'S LAB), PABLO MANGUIA (WESTLAKE AUDIO)
 Asistant : JASON RANKINS (WESTLAKE AUDIO), GRAYSON SUMBY (WESTLAKE AUDIO)
 Masterd by SHUJI KITAMURA (Audio City)
 Mixed at WESTSIDE STUDIO
 Recorded at WESTSIDE STUDIO (TOKYO), WESTLAKE AUDIO (LOS ANGELES)
 Mastered at Audio City

UP TOWN GIRL in 有楽町 
 Words by TOSHIKI KADOMATSU
 Music by TOSHIKI KADOMATSU
 Arranged by TOSHIKI KADOMATSU

 TOSHIKI KADOMATSU / Vocals, Electric Guitar
 NOBUO EGUCHI / Drums
 TOMOHITO AOKI / Bass
 SHINGO KOBAYASHI / Keyboards
 YOSHIHIRO TOMONARI / Keyboards
 YOSHIYUKI "BUTCHER" ASANO / Electric Guitar
 MASATO HONDA / Saxophone (by the courtesy of Victor Entertainment Inc.)
 MICHIAKI TANAKA / Percussion
 KAYOKO "JACKIE" TAKAHASHI / Background Vocals
 KAZUMI SUZUKI / Background Vocals
 HIROSHI YAMADA / Computer Manipulator

 Mixed by EIJI UCHINUMA (MIXER'S LAB)
 Recorded by EIJI UCHINUMA (MIXER'S LAB), SHINICHI KAWASUMI (MIXER'S LAB)
 Engineering Assisted by CHINATSU KOIZUMI (MIXER'S LAB), MINORU HIROSE (MIXER'S LAB), YOSHIKO MORI (MIXER'S LAB), YOSHIO OHIRA (MIXER'S LAB)
 Masterd by SHUJI KITAMURA (Audio City)
 Mixed at WESTSIDE STUDIO
 Recorded at TOKYO KOKUSAI FORUM (January 24h, 2000), WESTSIDE STUDIO
 Mastered at Audio City

スタッフ 
 PRODUCED by TOSHIKI KADOMATSU
 Directed by TETSUO KOKUBU (BEANS)
 Artist Management : HAJIME URUSHIBARA (BEANS), HIROYUKI SUZUKI (BEANS)
 A&R : RYUICHI KASHIWAGI (BMG FUNHOUSE)
 Studio Management : KOJI KIKKAWA (MIXER'S LAB), STEVE BURDICK (WESTLAKE AUDIO)
 Equipment Management : HIROSHI YAMADA (BEANS)
 Equipment Technician : MASAZUMI NAKAYAMA
 Production Desk : AKIKO SUNADOI (EMERALD SPLASH), KYOKO SUGIURA (EMERALD SPLASH), YUKIKO WATANABE (EMERALD SPLASH), MASAKI YOSHIZAWA (EMERALD SPLASH)
 Promotion Staff : AKIRA TAKEUCHI (BMG FUNHOUSE), AKIRA TSUJIMURA (BMG FUNHOUSE), YOSHINORI MORINAGA (BMG FUNHOUSE)
 Sales Promoter : YOSHINORI OHTA (BMG FUNHOUSE), SHIGERU MORIYAMA (BMG FUNHOUSE)
 Supervisor: HIDEHIKO TASHIRO (BMG FUNHOUSE), HIROMI YOSHIZAWA (BMG FUNHOUSE)
 Design : JUN KOBAYASHI
 Illustration : KOBAJUN
 Photography : GEN MURAKOSHI (G.M.R)
 Jacket Coordination : NORIHIKO NISHIKAWA (BMG FUNHOUSE)
 LA Recording Co-ordination : CLARIS SAYADIAN-DODGE, NAOJU NAKAMURA (MY MUSIC), HIROMI YOSHIZAWA (BMG FUNHOUSE)