Were you replying to a message? Wasn't sure, the message looks like the beginning of a response to a message from a thread that's in progress, but there's no "re:" that indicates a reply, or a previous message under yours. Anyways, Sonar x64 doesn't support the rex, but that's not a falt with sonar/cakewalk, propellerheads hasn't updated their rex library dll to 64bit. SFZ however should work with no problems, I use it myself. What seems to be your issue with sfz? Finally, 64bit sonar runs faster IMO, and gives us access to much more memory (no 4gb limit). What other problems were you speaking of when you said "Well because of this and a couple other issues"? HTH, D!J!X! _____ From: ddots-l-bounce@xxxxxxxxxxxxx [mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Greg Brayton Sent: Saturday, September 10, 2011 3:48 PM To: ddots-l@xxxxxxxxxxxxx; midi mag Subject: [ddots-l] Problem with sonar 64 bit Well because of this and a couple other issues I tend to use 32 bit most often myself. Sometimes I've played around with the jaws curser and got things to work too. I notice that some of the larger samples load up quite abit faster with the 64 bit version. Is there any other reason we're suppose to figure 64 bit is better? I know I can't use my rex or sfz files with the 64 bit sonar.