Ok, so imagine you have a bunch of toys that you want to play with. You put them in a special box called a toy box. You can see all your toys in the toy box and you can choose which toy you want to play with.
Now, imagine you have a lot of songs that you like to listen to. You can put all those songs in a special box called a playlist. You can see all your songs in the playlist and you can choose which song you want to listen to.
So, a Gitmo playlist is like a special box that has a list of songs that people in the Guantanamo Bay prison can listen to. These songs are chosen by the people in charge of the prison and they may use them to try and get information from the prisoners, or to make them feel a certain way.
Some people think that some of the songs on the Gitmo playlist are used to make the prisoners feel uncomfortable or to try and make them talk. Others think that the songs are just used as a way to keep the prisoners occupied.
Overall, a Gitmo playlist is just a list of songs that are chosen by the people in charge of the Guantanamo Bay prison and are given to the prisoners to listen to.