======================== unified (from filesystem) ========================
                                         'bitrate'  '244.131'
                                        'duration'  '496'
                                          'artist'  'Wintersun'
                                     'text_people'  'Jari Mäenpää'
                                         'release'  'Wintersun'
                                           'title'  'Beautiful Death'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'melodic death metal', 'viking metal', 'metal', 'finnish']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-melodic'
                                             'bpm'  '130'
                                             'key'  '6B'
                                        'acoustid'  'fb822056-a539-4440-b44e-d39d59103651'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Wintersun'
'TBPM' (BPM (beats per minute))                     '130'
'TCOM' (Composer)                                   'Jari Mäenpää'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-melodic'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-08-25'
'TIT2' (Title/songname/content description)         'Beautiful Death'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Wintersun'
'TPE2' (Band/orchestra/accompaniment)               'Wintersun'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Metal Frontier'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Wintersun'
'TSOP' (Performer sort order)                       'Wintersun'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:ASIN'                                         'B0002IJMAY'
'TXXX:Acoustid Id'                                  'fb822056-a539-4440-b44e-d39d59103651'
'TXXX:Artists'                                      'Wintersun'
'TXXX:BARCODE'                                      '4988003301996'
'TXXX:CATALOGNUMBER'                                'KICP-1018'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MusicBrainz Album Artist Id'                  'c054ea6b-c585-41eb-ae7e-4b0ca43308ff'
'TXXX:MusicBrainz Album Id'                         'b4f9f593-9df6-4b7c-90c9-94fac1e96ef5'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c054ea6b-c585-41eb-ae7e-4b0ca43308ff'
'TXXX:MusicBrainz Release Group Id'                 '7e8c9b16-b135-3eaf-9e33-7ca1aa694a8a'
'TXXX:MusicBrainz Release Track Id'                 'a9b3d093-a684-3f1d-aa35-a44575498756'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:WM/EncodingTime'                              '18446744072975765888'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderRating'                            '5'
'TXXX:WM/ProviderStyle'                             'Rock'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R   711459;AMGp_id=P   677148;AMGt_id=T  7274859'
'TXXX:WM/WMADRCAverageReference'                    '13210'
'TXXX:WM/WMADRCPeakReference'                       '31528'
'TXXX:WM/Year'                                      '2004'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '10.00.00.3646'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['folk metal', 'melodic death metal', 'viking metal', 'metal', 'finnish']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.422506'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd7baaaa6-bbef-4b3b-be3d-28a52b4a5132')

========================== row from database ==========================
                                              'id'  1399559
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Wintersun/Wintersun/07 beautiful death.wma.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  496
                                           'genre'  eid-metal-melodic
                                        'filesize'  15265417
                                           'mtime'  1620310832
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 07 beautiful death.wma eid metal melodic
                                      'tag_artist'  Wintersun
                                     'tag_release'  Wintersun
                                       'tag_title'  Beautiful Death
                                             'bpm'  130.0
                                    'search_title'  'beautiful':1 'death':2
                                   'search_artist'  'wintersun':1
                                  'search_release'  'wintersun':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'beautiful':3 'death':4 'deathwma':6 'eid':7 'melodic':9 'metal':8 'wma':5
                                    'search_combo'  '00dwimp':5 '00metal':6 'beautiful':1A,7 'death':2A,8 'deathwma':10 'eid':11 'melodic':13 'metal':12 'wintersun':3B,4C 'wma':9
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['folk metal', 'melodic death metal', 'viking metal', 'metal', 'finnish']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620310831.739772  (2021-05-06 16:20:31)
                             'size'  15265417