======================== unified (from filesystem) ========================
                                         'bitrate'  '148.141'
                                        'duration'  '296'
                                          'artist'  'Belly'
                                     'text_people'  'Tanya Donelly'
                                         'release'  'Star'
                                           'title'  'Stay'
                                           'quals'  ("['Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '129.068'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Star'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCOM' (Composer)                                   'Tanya Donelly'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Stay'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Belly'
'TPE2' (Band/orchestra/accompaniment)               'Belly'
'TPUB' (Publisher)                                  'Reprise Records'
'TRCK' (Track number/Position in set)               '15/15'
'TSOP' (Performer sort order)                       'Belly'
'TXXX:ALBUMARTISTSORT'                              'Belly'
'TXXX:ASIN'                                         'B000002MIA'
'TXXX:BARCODE'                                      '093624518723'
'TXXX:CATALOGNUMBER'                                'CDW 45187'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:MP3GAIN_MINMAX'                               '076,206'
'TXXX:MusicBrainz Album Artist Id'                  'c118bc97-11a7-41dc-a55e-48c3bcf22ac2'
'TXXX:MusicBrainz Album Id'                         '06a8ee94-ddb9-4a43-b5f1-e7b9b24a357b'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c118bc97-11a7-41dc-a55e-48c3bcf22ac2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:involved people'                              'producer'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.536542'

========================== row from database ==========================
                                              'id'  1310259
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Belly__Star__cifs2095.mp3
                                         'working'  None
                                         'bitrate'  148
                                    'duration_sec'  296
                                           'genre'  rock-unsorted
                                        'filesize'  5526026
                                           'mtime'  1620392298
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Belly__Star__cifs2095 rock unsorted
                                      'tag_artist'  Belly
                                     'tag_release'  Star
                                       'tag_title'  Stay
                                             'bpm'  129.068
                                    'search_title'  'stay':1
                                   'search_artist'  'belly':1
                                  'search_release'  'star':1
                                     'search_rest'  '00poprockelectronic':1 'belly':7 'cifs2095':9 'files':5,6 'loose':3,4 'rock':10 'star':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 'belly':2B,10 'cifs2095':12 'files':8,9 'loose':6,7 'rock':13 'star':3C,11 'stay':1A 'unsorted':5
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620392297.5910175  (2021-05-07 14:58:17)
                             'size'  5526026