no, we will not extend the Files app. not with the soundmanager play-bar, nor with any automation features.
The implications are too high because we would need to tweak the most core standard app and every version update would cost a lot of retest and potential adjustments.
thats not our focus and we cant perform this.
But with the next release, the performance will be enhanced a lot to handle big libraries much more efficient.
Not only will the graphical Album view be redesigned for much quicker start, we will also speed up direct access to e.g. the folder view. combined with a better sorting of these lists, it will even be more comfortable than using the files app directly.