Yeah, it probably has something to do with status that goes along with being a lead singer. As you said, tenors usually sing lead melodies, so all the attention is on them. So they're sort of like the more brightly colored, ostentatiously whistling birds. Of course they're getting the action. The spotlight's on them. So in music the tenor voice range naturally puts the owner of the voice in the spotlight. That's an entirely different and separate game from the rest of life. I'd still be open to the idea of deeper-voiced guys getting more action in other arenas. But who knows. If it were true, about deep-voiced men creating more progeny, there would have to be a lower limit to how deep the voice can get without it becoming impractical and then at some time when that point is reached, when that threshold is finally reached, there would be no benefit to either strategy. There would be trade-offs. It's not sustainable for deeper-voiced men to always be better at procreation. Maybe at some time, in history, but again, there's only so deep a voice can get until it constrains other things that aren't related to sex.