YG Entertainment�revealed a sneak peek at Sechskies' practice session for their upcoming concert, '2016 Sechskies Concert - Yellow Note'.

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'Yellow Note' is Sechskies' first solo concert in 16 years, and judging from the photos, the members are taking practice very seriously. Fans have been waiting for quite some time, and 20,000 of them bought tickets to see the legendary idol group perform.�

YGE staff as well as Yang Hyun Suk�himself are said to be putting their focus on producing the event as best as possible.�

'2016 Sechskies Concert - Yellow Note' is being held on September 10-11 at the Olympic Gymnastic Arena in Seoul. Take a look at Sechskies' practice photos below!