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 (4) -2 countries
In CHINESE (12) -2 countries
CROATIA (4) 
CZECH REPUBLIC (11)
DENMARK (12) 
In DUTCH (74) -2 countries
In ENGLISH (834) -19 countries
FINLAND (15)
In FRENCH (123) -5 countries
In GALICIAN (1) 
In GERMAN (136) -4 countries
GREECE (19)
HUNGARY (2)
ICELAND (9)
IRAN (1)
ISRAEL (9)
In ITALIAN (86) -2 countries
JAPAN (63)
LITHUANIA (1)
NORWAY (45)
POLAND (14)
In PORTUGUESE (51) -3 countr.
ROMANIA (1)
in RUSSIAN (5) -2 countries
In SERBIAN (5) -2 countries
SLOVAKIA (1)
In SPANISH (187) -13 countries
SWEDEN (28)
THAILAND (3)
TURKEY (19)