REV 5:9

9 And they are singing a SHIR CHADASH saying, Worthy art thou to take the sefer [(book)] and to open the chotamot [(seals)] of it, because you were slain and with your dahm [kapporah] you paid the price for the Geulah redemption and purchased ones for Hashem from every mishpochah [(family)] and lashon [(tongue)] and am [(people)] and goy [(nation)],