Powershell / Windows - Get currently playing Spotify song title and artist to JSON output (using Spotify application window title)

get_spotify_details.ps1

while ($true) {
    $processes = Get-Process spotify
    $title = (Out-String -InputObject $processes.mainWindowTitle) -replace "`n","" -replace "`r",""
    $song = $null
    $artist = $null
    $songTitle = $null
    $jsonOutput = $null
    $jsonOutputAsJson = $null
    if (-Not $title.Contains('Spotify')) {
        $song = $title
        $artist = $title.split(" - ")[0]
        $songTitle = $title.split(" - ")[1]
        $jsonOutput = @{
          'artist' = $artist
          'song_title' = $songTitle
        }
        $jsonOutputAsJson = $jsonOutput | ConvertTo-Json
    }
    $jsonOutputAsJson > ./currentSong.json
    cls
    Write-Output "$jsonOutputAsJson"
    Start-Sleep -Seconds 1
}