You can audition midi loops not using Logic at all. Quicktime has midi and can play midi files direct from OS X. They sound cheesy, but they are much more convenient to test. You don't need to assign instruments or the tempo. Not sure how to answer your question. I found (about a year or two ago) that I could not drag 20 audio files into Logic. I spent a long time with tech support and the answer ended up being that Logic had a bug that you could only drag 10 things. So there might be a similar limitation. [Non-text portions of this message have been removed]
Message
Re: [Logic_Cafe] Importing multi midi sequences
2007-02-04 by GAmoore@aol.com