Folks with large libraries have found a workaround by splitting up their large iTunes libraries into two or more and then associating just the one library with < 25,001 songs to iTunes Match. Personally I've never found the need to have my entire iTunes library available on my iPad or iPhone, but I guess I can see where someone might. So if that's the case and you have to have all 60,000 songs available on an iPad, then I'm afraid you'll be disappointed, at least for now.
Having said that keep in mind that you don't have to use iTunes Match to have a great deal of music on an iPad. On it's own a 64GB iPad can carry between 7,000 and 15,000 songs depending of course on the song's bit rate. I've created a "hybrid" iTunes Match on my iPad and iPhone by syncing Smart Playlists that include all of the music I want permanently and having access to the rest of my iTunes library - which is under 25,000 songs - via iTunes Match. It works quite well for me, but again, if your have to have everything available, it may not for you.
Hope that helps and in the meantime there are a lot of great people here willing to lend a hand anytime. Often using the Advanced Search box (at the top of every page) will lead you to the answers you're looking for. If not, feel free to post a question in the appropriate area.
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BTW, I moved your post to the iTunes Match area where you’re likely to get a better response to your question.
Welcome again and enjoy!