"60's Music" {
    Year >= 1960 && Year < 1970
}

"Recently Added" {
    Date after 2 weeks ago
}

"Non-DRMed Music" {
    path not includes ".m4p"
}

"AAC Files" {
    path includes ".m4p" ||
    path includes ".m4a" ||
    path includes ".aac"
}
