U guys still want a lvl 30 song? Get HaroHapi to cover “ powerful chef using electric cooker to cook 4000 years of historical chinese dishes instantly” (Renji de haochi ☆ Denshi choriki shiyou chuka ryori 4000nen rekishi shunkan chori kanryo butouteki ryoricho ☆)
Trust me, I wouldn’t be surprised if that got to lvl 40 with Special difficulty