Bijoy B K has written some books, such as-- (1). Instrumental soft ; it is written by independent Musical Artist and writer by Bijoy B K , based on recently released Music of Bijoy B K named Instrumental Soft. (2). Definitions of Instrumental Music : Collections of definitions of Instrumental Music By Bijoy B K (Instrumental Soft). (3). Backgrounds of Young living independent Musicians (Jony Khandaker, Humphrey Mafabi , Hasin Mahtab): This book is written by Bijoy B K , on behalf of this ... (Backgrounds of Young living Musicians 1).