======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '205'
                                          'artist'  'Cowboy Junkies'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Sweet Jane'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '84.245'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '84.245'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Sweet Jane'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cowboy Junkies'
'TSOP' (Performer sort order)                       'Cowboy Junkies'
'TXXX:Artists'                                      'Cowboy Junkies'
'TXXX:MP3GAIN_MINMAX'                               '000,195'
'TXXX:MP3GAIN_UNDO'                                 '+002,+002,N'
'TXXX:MusicBrainz Artist Id'                        'b52211f1-49a2-4cd2-8535-dd1ba37ea90b'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.53 dB'
'TXXX:replaygain_track_peak'                        '0.754028'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0e9b7e3b-2912-4592-b335-2e7e8b3189a3')

========================== row from database ==========================
                                              'id'  789867
                                            'path'  /data/Music/Bulk/0soundtrack/Natural Born Killers/05 cowboy junkies - sweet jane.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  205
                                           'genre'  soundtrack-video
                                        'filesize'  3285545
                                           'mtime'  1620333744
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Natural Born Killers 05 cowboy junkies sweet jane soundtrack video
                                      'tag_artist'  Cowboy Junkies
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Sweet Jane
                                             'bpm'  84.245
                                    'search_title'  'jane':2 'sweet':1
                                   'search_artist'  'cowboy':1 'junkies':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '0soundtrack':1 'born':3 'cowboy':5 'jane':8 'junkies':6 'killers':4 'natural':2 'soundtrack':9 'sweet':7 'video':10
                                    'search_combo'  '0soundtrack':10 'album':6C 'born':12 'cowboy':3B,14 'jane':2A,17 'junkies':4B,15 'killers':13 'natural':11 'non':5C 'nonalbum':7C 'soundtrack':18 'sweet':1A,16 'tracks':8C,9C 'video':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'alternative', 'alt country', 'canadian']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333743.7530396  (2021-05-06 22:42:23)
                             'size'  3285545