AutoHotkey MediaKey support using built in media commands (or WinAMP if open) which should work with any player in modern Windows versions. I placed this file in %documents% folder so AHK would see it as default script.

AutoHotKey.ahk

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
#Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory.


; # is WinKey, + is shift
; https://www.autohotkey.com/docs/Tutorial.htm#s2

; https://autohotkey.com/board/topic/70048-ituneswindows-media-playerwinamp-autohotkey-script/
; Detect WinAMP... https://www.autohotkey.com/docs/misc/Winamp.htm

; WinKey + Shift + Right = Next song
#+Right::
If WinExist("ahk_class" . "Winamp v1.x") {
    ; The above has set the "last found" window for use below.
    ControlSend, ahk_parent, b  ; Next Track
}
else {
    ; Otherwise send Mediakeys for any application to respond
    Send {Media_Next}
}

; WinKey + Shift + Left = Previous Song
#+Left::
If WinExist("ahk_class" . "Winamp v1.x") {
    ; The above has set the "last found" window for use below.
    ControlSend, ahk_parent, z  ; Previous Track
}
else {
    ; Otherwise send Mediakeys for any application to respond
    Send {Media_Prev}
}

; WinKey + Shift + Space = Play/Pause
#+Space::
If WinExist("ahk_class" . "Winamp v1.x") {
    ; The above has set the "last found" window for use below.    
    ControlSend, ahk_parent, c  ; Pause/Unpause
}
else {
    ; Otherwise send Mediakeys for any application to respond
    Send {Media_Play_Pause}
}