Learn about the chirping of a cricket (Korogi) in 90 seconds

In the fall crickets chirp incessantly in the grass. Can you tell the chirping of a cricket from other insects? Learn about crickets just in 90 seconds!
Japanese Learning Course for JLPT N2 Level
Understand difference between RGB and CMYK in 90 sec Understand difference between RGB and CMYK in 90 sec
Learn letter writing etiquette in Japanese; onchu and sama in 90 sec Learn letter writing etiquette in Japanese; onchu and sama in 90 sec
90 seconds to understand the differences between HTTP and HTTPS 90 seconds to understand the differences between HTTP and HTTPS
90 seconds to learn about Japanese Holidays! 90 seconds to learn about Japanese Holidays!