"Best singing" refers to the act of singing exceptionally well or skillfully. It implies that the singer displays a superior level of talent, technique, and overall performance in their voice and musical expression. Full definition
My two older children would literally cry any time their dad sang to them, and he actually had a pretty good singing voice. (romper.com)
High - quality males can pass on their desirable traits, like good singing ability, to their sons. (discovermagazine.com)
Because singing in fruit flies involves an important muscular effort, one possibility is that males under female selection did not solely evolve better singing skills but an overall better physical performance. (sciencedaily.com)