The injured West Ham midfielder is the perfect player to sort out the east London side's one current weakness.
West Ham United fans certainly won't be complaining after seven Premier League games. Not even Chelsea fans would complain about being third in the table so early. Right now, they can only dream of being in such a strong position.
But, if the West Ham faithful did fancy a complaint or two, there's an easy place to start.
Indeed, the Irons have won just one of their first four Premier League games at Upton Park this season and it's plain to see that their biggest strength, their ability on the counterattack, counts against them at home.
The solution, though, is already within West Ham's squad - he's just injured.
Song is the ideal player to dictate play from midfield. His range of passing will give West Ham the measure of calm in possession they are currently lacking in the middle of the park.
While Dimitri Payet creates in advanced areas, the 28-year-old will create from deep. He did so last season at Upton Park and he has years of experience keeping a dominant side ticking from his time at both Arsenal and Barcelona.
The only problem, of course, is the fact Bilic has to wait until the playmaker has returned to fitness. But West Ham's latest injury update suggests that there isn't all that long to go...
It then simply becomes a matter of who will make way.