======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '246'
                                          'artist'  'Amorphis'
                                     'text_people'  ''
                                         'release'  'Elegy'
                                           'title'  'Against Widows'
                                           '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-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['doom metal', 'metal', 'melodic death metal', 'death metal', 'progressive "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '147'
                                             'key'  '6B'
                                        'acoustid'  '319c29c6-aca1-4aee-a6dc-d11cb5625e4f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Elegy'
'TBPM' (BPM (beats per minute))                     '147'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-05-14'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Amorphis'], ['producer', 'Matthew F. Jacobson'], ['producer', 'Bill Yurkiewicz'], ['mix', 'Dave Buchanan'], ['mix', 'Pete Coleman'], ['membranophone', 'Pekka Kasari'], ['bass guitar', 'Olli-Pekka Laine'], ['acoustic guitar, electric sitar and guitar family', 'Esa Holopainen'], ['vocals', 'Tomi Koivusaari'], ['acoustic guitar, guitar family and tambourine', 'Tomi Koivusaari'], ['accordion and keyboard', 'Kim Rantala'], ['lead vocals', 'Pasi Koskinen']])
'TIT2' (Title/songname/content description)         'Against Widows'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Amorphis'
'TPE2' (Band/orchestra/accompaniment)               'Amorphis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Relapse Records'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Amorphis'
'TSOP' (Performer sort order)                       'Amorphis'
'TSRC' (ISRC (international standard recording code))  'US2640463502'
'TXXX:ASIN'                                         'B00000112L'
'TXXX:Acoustid Id'                                  '319c29c6-aca1-4aee-a6dc-d11cb5625e4f'
'TXXX:Artists'                                      'Amorphis'
'TXXX:BARCODE'                                      '781676693528'
'TXXX:CATALOGNUMBER'                                'RR 6935-2'
'TXXX:Mp3gain_minmax'                               '128,196'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  'efaefde1-e09b-4d49-9d8e-b1304d2ece8d'
'TXXX:MusicBrainz Album Id'                         '055d3e4a-ef09-35dd-8166-d754dc8269e5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'efaefde1-e09b-4d49-9d8e-b1304d2ece8d'
'TXXX:MusicBrainz Release Group Id'                 'a48b88f6-e2cb-3810-a33e-b87aac4463de'
'TXXX:MusicBrainz Release Track Id'                 'ad3da9f8-b5cd-367c-bebf-d325f793a832'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['doom metal',
 'metal',
 'melodic death metal',
 'death metal',
 'progressive metal']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.459116'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b2d1b251-5c31-4336-a80e-0c8df9cec04a')

========================== row from database ==========================
                                              'id'  1400144
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Amorphis/Elegy/Amorphis - Against Widows.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  246
                                           'genre'  eid-metal-progressive
                                        'filesize'  4038683
                                           'mtime'  1620310838
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal progressive
                                      'tag_artist'  Amorphis
                                     'tag_release'  Elegy
                                       'tag_title'  Against Widows
                                             'bpm'  147.0
                                    'search_title'  'against':1 'widows':2
                                   'search_artist'  'amorphis':1
                                  'search_release'  'elegy':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'progressive':5
                                    'search_combo'  '00dwimp':5 '00metal':6 'against':1A 'amorphis':3B 'eid':7 'elegy':4C 'metal':8 'progressive':9 'widows':2A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['doom metal', 'metal', 'melodic death metal', 'death metal', 'progressive metal']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310838.4673808  (2021-05-06 16:20:38)
                             'size'  4038683