It appears Warner Music Group and Sony Music Entertainment have wasted no time at all reinvesting the proceeds made from their respective Spotify shareholdings – investing a combined $200 million as part of Tencent Music’s US IPO this week. Clearly it means a kick straight to the teeth of the Swedish streaming service, right? Wrong. In fact, Warner Music and Sony Music have followed its lead, after Spotify and Tencent Music agreed a share swap deal (9.1%) some 10 months ago. Both record labels made a tidy profit from their minority Spotify investments and looking at Tencent Music’s recent growth, this week’s investments could fetch big returns. Who said there was no money in the music biz today? Unfortunately for…