Music APP with "total playlist time"

[strikeruy]

Hi everyone!

Sounds incredible, but I could not find a single application that allows you to build a playlist and know the total time of it.

Do you know any ?.

I tried:

Music Folder Player
Reproductor MX
PowerAmp
Dj Studio
Party Mixer
PlayerPro
Music Player for Pad

and a lot more..

Thanks!