Daisy Chaining with WD My Book Studio and External Sound Card?

Hello ! I have this External Western Digital My Book Studio with 2 ports firewire 800 and External SoundCard with FireWire 400 …both of this devices it’s with Power Supply … Can i Connect by Daisy Chaining and use with my MAC BOOK PRO with FireWire 800 …successively ??? First of Port from My BOOK connect to my MAC and on the second ports connect on My BOOK STUDIO the external soundcard ??? It’s thi posible ???

http://community.wdc.com/t5/External-Drives-for-Mac/Connect-Ex-Soundcard-with-firewire-400-to-WD-My-Book-Studio/m-p/496600

May be is bad for you to hear that BUT … DAISY CHAIN between WD MY BOOK STUDIO and External SOund CARD -= WORK perfectly … :):):):D:D