======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '58'
                                          'artist'  'Robert Downey, Jr. and "BB Tone" Brian Berdan'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Route 666'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '90.614'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '90.614'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Route 666'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Downey, Jr. and "BB Tone" Brian Berdan'
'TSOP' (Performer sort order)                       'Downey, Robert, Jr. and Berdan, Brian'
'TXXX:Artists'                                      'Robert Downey, Jr./"BB Tone" Brian Berdan'
'TXXX:MP3GAIN_MINMAX'                               '000,188'
'TXXX:MP3GAIN_UNDO'                                 '+001,+001,N'
'TXXX:MusicBrainz Artist Id'                        '49e26070-0937-4178-a549-6bbe3c36f282/d6733c60-04d9-4bcc-8a0d-7338017d8ecf'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.70 dB'
'TXXX:replaygain_track_peak'                        '0.734048'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ed61252a-1622-4a15-bd1a-543b01400ca8')

========================== row from database ==========================
                                              'id'  788870
                                            'path'  /data/Music/Bulk/0soundtrack/Natural Born Killers/09 robert downey jr. - route 666.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  58
                                           'genre'  soundtrack-video
                                        'filesize'  940794
                                           'mtime'  1620333745
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Natural Born Killers 09 robert downey jr. route soundtrack video
                                      'tag_artist'  Robert Downey, Jr. and "BB Tone" Brian Berdan
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Route 666
                                             'bpm'  90.614
                                    'search_title'  '666':2 'route':1
                                   'search_artist'  'and':6 'bb':7 'berdan':10 'brian':9 'downey':2,3 'jr':4,5 'robert':1 'tone':8
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '0soundtrack':1 'born':3 'downey':6 'jr':7,8 'killers':4 'natural':2 'robert':5 'route':9 'soundtrack':10 'video':11
                                    'search_combo'  '0soundtrack':18 '666':2A 'album':14C 'and':8B 'bb':9B 'berdan':12B 'born':20 'brian':11B 'downey':4B,5B,23 'jr':6B,7B,24,25 'killers':21 'natural':19 'non':13C 'nonalbum':15C 'robert':3B,22 'route':1A,26 'soundtrack':27 'tone':10B 'tracks':16C,17C 'video':28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333744.5893598  (2021-05-06 22:42:24)
                             'size'  940794