Assuming you are talking about a record, you might try adjusting the VTA of your tonearm. Lowering the back of the tonearm a small amount might tame that sibilance.
I have the first Trinity Sessions vinyl I bought in the 1980s. It has issues. The recording engineer re-released this record a few years ago and cleaned up a lot of the sibliance in the recordings. Some would argue art is not without its flaws but I enjoy the newer version more than the old one.
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