WHAT'S IN?, Japan
WHAT'S IN? is a monthly music information magazine focusing on J-POP (Japanese popular music); it started in 1988 and ceased in March 2016.
The original publisher was CBS/Sony Publishing. In 1991, the company name was changed to 'Sony Magazines'. In 2012, the company merged with Music on TV and changed its name to 'M-On Entertainment'.
Below: March 1994. Thank you to Eric Galzi for the image and Toshikazu Urushibata for the information.
ALBANIA (1) 
In ARABIC (3) -3 countries 
BULGARIA (2) 
In CATALAN (5)
In CHINESE (12) -2 countries
CROATIA (4) 
CZECH REPUBLIC (11)
DENMARK (12) 
In DUTCH (75) -2 countries
In ENGLISH (878) -24 countries
FINLAND (16)
In FRENCH (134) -5 countries
In GALICIAN (1) 
In GERMAN (141) -4 countries
GREECE (19)
HUNGARY (2)
ICELAND (9)
IRAN (1)
ISRAEL (9)
In ITALIAN (88) -2 countries
JAPAN (66)
LITHUANIA (1)
NORWAY (45)
POLAND (15)
In PORTUGUESE (52) -3 countries
ROMANIA (1)
In RUSSIAN (5) -2 countries
In SERBIAN (5) -2 countries
SLOVAKIA (1)
In SPANISH (192) -14 countries
SWEDEN (28)
THAILAND (3)
TURKEY (19)