Just to clarify:
Bat file:
nircmd setdefaultsounddevice "VG248" 1
nircmd.exe setsysvolume 35000
PlayAlarmVBS.vbs
vbs file:
Set WshShell = WScript.CreateObject("WScript.Shell")
Comandline = "C:\Users\Username\AppData\Roaming\Spotify\Spotify.exe"
WScript.sleep 500
CreateObject("WScript.Shell").Run("linktoplaylist")
WScript.sleep 3000
WshShell.SendKeys "{ENTER}"
WScript.sleep 100
WshShell.SendKeys "^{RIGHT}"