My music shuffle script only works in studio, how do i make it work ingame too?

It works fine in studio, just not ingame. How can I fix this, what is wrong?

wait(0.1)
local songIds = {348452202, 235672613, 335856846, 258218642, 348130053, 366818956, 341409912, 400165614,342921010,324474850,397950586,225214406, 345686522, 39028897, 208170888, 398856245, 291846600, 401722473, 362353405, 161499083, 236597881, 325698676, 409557291}


--[[
348452202 -- Diplo & Sleepy Tom - Be Right There
235672613 -- Years & Years - Desire
335856846 -- Craig David - When the Bassline Drops   
258218642 -- Lean on
348130053 -- Sigala - Say You Do
366818956 -- DJ Snake - Middle
341409912 -- 67 (Mental K, Dimzy, Monkey, Smallz)
400165614 -- Mike Posner - I Took A Pill In Ibiza (Seeb Remix)
342921010 -- Roses - The Chainsmokers ft. ROZES
324474850 -- 99 Souls - The Girl is Mine 
397950586 -- Calvin Harris & Disciples - How Deep Is Your Love
225214406 -- Lost Frequencies - Are you with me
345686522 -- Flume (feat. Kai) - Never Be Like You
239028897 -- GTA - Intoxicated
208170888 -- Felix Jaehn - Ain't Nobody (Loves Me Better) 
398856245 -- Skepta - Man
291846600 -- JME - Man Don't Care
401722473 -- Blonde Ft. Craig David - Nothing Like This
362353405 -- Robin Schulz - Sugar
161499083 -- Disclosure - White noise
236597881 -- Natalie La Rose ft. Jeremih (Somebody)
325698676 -- Galantis - Runaway (U & I)
409557291 -- Wouter van Leeuwen - Discipline
--]]

local music = Instance.new("Sound") 
music.Archivable = true 
music.Parent = script.Parent 
music.Pitch = 1
music.Volume = 0
music.Looped = false 
music.Name = "Player"
music.SoundId = "http://www.roblox.com/asset/?id=12222054"
music:play()
music.TimePosition = 0.1789999999999999

music.Ended:connect(function()
    music.Volume = 0.3
    local song = math.random(1,#songIds)
    local var = song
    print("Playing Sound"..song)
    --script.Off.Value = false
    --script.Song.Value = "Song"..song
    wait(0.01)
    music.SoundId = "http://www.roblox.com/asset/?id="..songIds[song]
    music:play()
end)