You need to search for Celtic styles that are closer to the tempo you want. The recommended tempo for a style is there because certain styles do not sound good at faster or slower tempos as you have pointed out. The program has to try to make things fir the tempo you selected and sometimes that causes issues and artifacts. I've had this happen in other styles that I use and there's sometimes when you just have to think outside of the box on how you can accomplish the task at hand. And there have been a few times I just had to go to plan B.

You can define some search parameters such as "Celtic" and "130" to narrow the list of possibilities a bit.

Another thing you can do easily is to listen to that style at the faster tempo and determine if there's just one thing in it that doesn't fit. If that's the case, mute that track and replace it with a different one. AT times this is a viable solution. Many of the issues I've had dealt with the drums. So... using a midi drum synth can often solve the issue.

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