Young Guitar

 Japan

 
ヤング・ギター

Monthly guitarist magazine, started in May 1969. The magazine is published by Shinko Music Entertainment (シンコーミュージック・エンタテイメント) (wikipedia)

1990 September

No. 9 Issue 313

Frank Zappa
By Takeshi Mori (森 岳史) & Masaki Fukuda (福田 将己), pp 62-65