I like to fantasize about using a time machine to catch early concerts by jazz legends of the past. Every once in a while, a young talent emerges that has me searching their crowd for curious time-traveling jazz fans from the future. Jazzmeia Horn is certainly worthy of such a trip. Riding a wave of excitement after the release of her debut album A Social Call from last year, Jazzmeia Horn sold out her Tuesday night Earshot Jazz Festival performance. Our studio audience was packed to catch her