Xdinary Heroes will be returning with 'Open ♭eta v6.4'.

The fourth digital single in the band's 'Open ♭eta' features the title track "iNSTEAD!" feat. Yoon Do Hyun of YB and the b-side track "XH_Stone_75".

Beginning in June of this year, Xdinary Heroes have showcased the digital single series 'Open ♭eta' along with their small theater concert series, 'Closed ♭eta'. Ahead of the release of 'Open ♭eta v6.4', Xdinary Heroes will hold the 3-day show 'Closed ♭eta v6.4' at Yes24 Live Hall in Gwangjin-gu, Seoul from September 6-8. 

'Open ♭eta v6.4' and its title track "iNSTEAD!" feat. Yoon Do Hyun will be released on September 9 at 6 PM KST. 

SEE ALSO: Xdinary Heroes rock out in the new music video teaser for "iNSTEAD! (Feat. YB Yoon Do Hyun)"