Under the purposed rule I "made", it would be illegal. Everything this legal currently though.
I am actually quite happy with this thread. I learned lots and also was surprised to see that 8 other people on TST agreed with me.....maybe a first on both accounts. Cheers to all that have participated and continue to do so.
If I'm practicing my full swing, I don't want any distractions. I do listen to music when I practice my short game but it's more about keeping others from distracting me. I use it as low background noise, not real entertainment value.