If you have problems playing music on Mac
Go to the Music app on your Mac, then do any of the following if you have trouble playing music or other audio:
If the progress bar at the top of the Music window is moving, but you don’t hear anything
If you’re using your computer’s built-in speakers: Make sure the volume controls are not turned down. Check the control at the top of the Music window and check the computer’s output volume (in the Sound Output settings). See If you can’t hear sound from your Mac speakers.
If you’re using powered speakers connected to your computer: Make sure the powered speakers are properly plugged into your computer’s audio port, plugged into a power source, and turned on. Also make sure their volume isn’t turned down.
If you’re trying to play music through wireless speakers using AirPlay: Make sure the remote speakers are selected in the AirPlay pop-up menu
at the top of the Music window, and the volume control on the speakers isn’t turned down.
If you can’t play a song
If you can’t play a song purchased from the iTunes Store: You may have exceeded the number of computers on which you can play your purchases.
If the song isn’t an iTunes Plus version, you can play it on up to five authorized computers. After you authorize five computers, you can’t play the song on a sixth computer until you deauthorize one of the five authorized computers. (For instructions on deauthorizing a computer, see the Apple Support article Authorize or deauthorize your computer for Apple Account purchases.)
If the song is available as an iTunes Plus download, you can upgrade the song at the iTunes Store. See Usage rights for iTunes Store purchases.
If you’re listening to a shared library or playlist: Music skips iTunes Store purchases if your computer hasn’t been authorized to play them. To play a purchased song in a shared library or playlist, double-click the song. If your computer isn’t authorized to play songs purchased by the person who is sharing the song, you need to sign in to that person’s Apple Account to hear it. See Share songs from a shared library in Music.
If you’re trying to play an AAC file that was not created using Music or downloaded from the iTunes Store: Songs you download from the iTunes Store or import into your library using the AAC encoder are encoded using the MPEG-4 AAC format. Songs in this format play in Music and on your iPhone, iPad, and iPod. Other AAC files that you find on the internet or elsewhere won’t play in Music. See Choose import settings.
If you’re trying to play a song on a CD that you burned using Music: You can’t play DVDs burned using Music on most consumer DVD players. So make sure the playback equipment you’re using is appropriate for the disc’s format. For example, if you burned a CD-RW disc, you can play it only on your computer and some newer CD players. If you burned an MP3 disc, it should work in your computer and on special MP3 CD players but not on standard consumer audio CD players. See Intro to burning CDs and DVDs.
If you’re listening to a playlist that includes a song preview: The playlist stops after the song preview. Double-click the next song in the playlist to resume playing the rest of the playlist. A song preview in your library or a playlist has a button next to it showing the price.
If songs are missing or dimmed, see the Apple Support article If songs are missing from your music library after you turn on Sync Library.
If there’s a problem with an AirPlay device
If changes to 
, there’s a problem with an AirPlay device.
Go to the Music app
on your Mac.Click
at the top of the Music window to open the AirPlay menu.Check the icon next to the device.
: You need to enter a password to connect to the speaker.
: You’ve selected a device but haven’t entered its password.
If a dash (–) is displayed next to the device, click it to attempt to reconnect the device.