LAB$*$: Program: Playlist. Step $1$: Create three files to submit and build the PlaylistNode class.PlaylistNode.h $-$ Class declarationPlaylistNode.cpp $-$ Class definitionmain.cpp $-$ main$()$ functionBuild the PlaylistNode class per the following specifications. Note: Some functions can initially be function stubs $($empty functions$),$ to be completed in later steps.Private data membersstring uniqueID $-$ Initialized to "none" in default constructorstring songName $-$ Initialized to "none" in default constructorstring artistName $-$ Initialized to "none" in default constructorint songLength $-$ Initialized to $0$ in default constructorPlaylistNode$*$ nextNodePtr $-$ Initialized to $0$ in default constructorDefault constructor $(1$ pt$)$Parameterized constructor $(1$ pt$)$Public member functionsGetID$()-$ AccessorGetSongName$()-$ AccessorGetArtistName$()-$ AccessorGetSongLength$()-$ AccessorGetNext$()-$ AccessorInsertAfter$($PlaylistNode$*$ nodePtr$)-$ Mutator $(1$ pt$)$SetNext$($PlaylistNode$*$ nodePtr$)-$ Mutator $(1$ pt$)$PrintPlaylistNode$()-$ Outputs uniqueID, songname, artistName, and songLength based on the format example below.Ex$.$ of PrintPlaylistNode output: