Get-MetaData

$objShell = New-Object -ComObject Shell.Application

#Create iTunes Object
$itunesApp = New-Object  -ComObject iTunes.Application
$itunesLib = $itunesapp.LibraryPlaylist
$itunes.CurrentTrack
$allselectedtracks = $itunes.SelectedTracks
$allitunesmedia = $itunesLib.Tracks

#get all music files

$allfiles = GCI D:\ -recurse
$mediafiles = $allfiles|Where-Object{$_.extension -like "*.mp3"-or $_.extension -like "*.mp4" -or $_.extension -like "*.m4a" -or $_.extension -like "*.m4b" -or $_.extension -like "*.m4v" -or $_.extension -like "*.alac" -or $_.extension -like "*.flac"}

FOREACH($song in $mediafiles)
{
     $sFolder = $song.Directory.FullName
     $objFolder = $objShell.namespace($sFolder)
     $details = $objfolder.GetDetailsof($song.FullName, 16)

}