======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '140'
                                          'artist'  "Edna's Goldfish"
                                     'text_people'  ''
                                         'release'  'Before You Knew Better'
                                           'title'  'Purple'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'skankable']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '124.315'
                                             'key'  '8A'
                                        'acoustid'  '724a9840-a0da-43e8-9132-8696f9215fa6'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Before You Knew Better'
'TBPM' (BPM (beats per minute))                     '124.315'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Purple'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '140146'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Edna's Goldfish"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ska Satellite Records'
'TRCK' (Track number/Position in set)               '10/12'
'TSO2'                                              "Edna's Goldfish"
'TSOP' (Performer sort order)                       "Edna's Goldfish"
'TXXX:ASIN'                                         'B00000616S'
'TXXX:Acoustid Id'                                  '724a9840-a0da-43e8-9132-8696f9215fa6'
'TXXX:BARCODE'                                      '743748901122'
'TXXX:CATALOGNUMBER'                                'MR-9011'
'TXXX:MusicBrainz Album Artist Id'                  '1e91991f-2111-4473-a4d1-797844ea8804'
'TXXX:MusicBrainz Album Id'                         '1a47cf4c-255a-44fc-aba3-d6bc60bd11a3'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1e91991f-2111-4473-a4d1-797844ea8804'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'skankable']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.474279'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd00a1dd2-db8c-4f4f-a354-b50093d0c237')

========================== row from database ==========================
                                              'id'  1524627
                                            'path'  /data/Music/Bulk/00poprockelectronic/edna_s goldfish/Edna_s Goldfish - Purple.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  140
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  2254649
                                           'mtime'  1620532948
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic edna_s goldfish Edna_s rock gr punk ska
                                      'tag_artist'  Edna's Goldfish
                                     'tag_release'  Before You Knew Better
                                       'tag_title'  Purple
                                             'bpm'  124.315
                                    'search_title'  'purple':1
                                   'search_artist'  'edna':1 'ednas':3 'goldfish':4 's':2
                                  'search_release'  'before':1 'better':4 'knew':3 'you':2
                                     'search_rest'  '00poprockelectronic':1 'edna':2 'goldfish':4 'gr':6 'punk':7 'rock':5 's':3 'ska':8
                                    'search_combo'  '00poprockelectronic':10 'before':6C 'better':9C 'edna':2B,11 'ednas':4B 'goldfish':5B,13 'gr':15 'knew':8C 'punk':16 'purple':1A 'rock':14 's':3B,12 'ska':17 'you':7C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'skankable']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532948.1243038  (2021-05-09 06:02:28)
                             'size'  2254649