[Video] Seungho and Thunder sings "Knowing" by Rain MBLAQchrizzycrazyAug 31, 2010 Share 0 comments Mblaq Seungho and Thunder sings Rain's song "Knowing" on Sukira on August 30th. Check them out below. cr: aianehae @YTchrizzycrazy@dkpopnews.net Tags: Mblaq, Seungho, Thunder, Video Share Previous articleNext article Leave a comment Name Email Content Post comment