Social music startup Soundrop has unveiled a big upgrade to its Spotify app. The app, which is a bit like an avatar-less Turntable.fm, now gives more prominence to virtual rooms where your Facebook friends are currently listening when you log in. There is also more control when creating a room, with the ability to choose its picture, display name, description, whether it’s open to all or curated, and tags to describe it. Users can now opt to have private listening rooms with friends rather than an open-door policy. The app also now substitutes tracks that are available in a user’s region for those that aren’t: “no more awkward silence,” as it notes. Soundrop has plenty of traction on Spotify, with the streaming service claiming that Soundrop users listened to 15 million songs in February alone. We suspect that figure would have risen considerably in March though, even before the new changes.