The Sound of Swimming

I had an idea to visually paint the different sounds of swimming- back, fly, free, and breast stroke. I taped the sounds of my friends Michelle and Karen swimming and then visually converted it. The idea of it is great but my interpretation is lacking and I am not happy with my results.  The paintings below are my feeble attempt- I still would like to do something with them but will have to do some more brainstorming.  Can you guess the strokes?

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