_Added in 2.4_

*$inmp3*

Return [[$true]] if a mp3 sound is [[/splay|playing]], otherwise [[$false]].

*Properties*

.fname - Returns the filename of the currently playing sound.
.length - Returns the length of the currently playing sound.
.pos - Returns the played position of the currently playing sound.
.pause - Returns [[$true]] if the sound is paused, otherwise [[$false]].