======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  'Amorphis'
                                     'text_people'  ''
                                         'release'  'Tales From the Thousand Lakes / Black Winter Day'
                                           'title'  "To Father's Cabin"
                                           '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-3', 'q-other-4', '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'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive'
                                             'bpm'  '147'
                                             'key'  '8A'
                                        'acoustid'  'c1195bc4-9a41-45a4-821c-c109218c0d38'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tales From the Thousand Lakes / Black Winter Day'
'TBPM' (BPM (beats per minute))                     '147'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-progressive'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '2001-03-20'
'TIT2' (Title/songname/content description)         "To Father's Cabin"
'TKEY' (Initial key)                                '8A'
'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)               '9/14'
'TSO2'                                              'Amorphis'
'TSOP' (Performer sort order)                       'Amorphis'
'TSRC' (ISRC (international standard recording code))  'US2640771920'
'TXXX:ASIN'                                         'B000058A1I'
'TXXX:Acoustid Id'                                  'c1195bc4-9a41-45a4-821c-c109218c0d38'
'TXXX:Artists'                                      'Amorphis'
'TXXX:BARCODE'                                      '781676650026'
'TXXX:CATALOGNUMBER'                                'RR 6500-2'
'TXXX:Mp3gain_minmax'                               '112,205'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:MusicBrainz Album Artist Id'                  'efaefde1-e09b-4d49-9d8e-b1304d2ece8d'
'TXXX:MusicBrainz Album Id'                         'ada43de6-7f40-483c-9dc8-33f3ae32f337'
'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'                 '58330435-22c9-3bd4-9d6c-697dca134724'
'TXXX:MusicBrainz Release Track Id'                 'ce7d13b6-aeaf-3dc7-837b-9a0970dcd2ed'
'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'                                 '1994'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.481284'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8d7972aa-5914-4393-b2ed-d52d2cd3f5fb')

========================== row from database ==========================
                                              'id'  1514490
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Amorphis/Tales From The Thousand Lakes/Amorphis - To Father_s Cabin.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  eid-metal-progressive
                                        'filesize'  3774851
                                           'mtime'  1620310850
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal The Father_s eid metal progressive
                                      'tag_artist'  Amorphis
                                     'tag_release'  Tales From the Thousand Lakes / Black Winter Day
                                       'tag_title'  To Father's Cabin
                                             'bpm'  147.0
                                    'search_title'  'cabin':5 'father':2 'fathers':4 's':3 'to':1
                                   'search_artist'  'amorphis':1
                                  'search_release'  'black':6 'day':8 'from':2 'lakes':5 'tales':1 'the':3 'thousand':4 'winter':7
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':6 'father':4 'metal':7 'progressive':8 's':5 'the':3
                                    'search_combo'  '00dwimp':15 '00metal':16 'amorphis':6B 'black':12C 'cabin':5A 'day':14C 'eid':20 'father':2A,18 'fathers':4A 'from':8C 'lakes':11C 'metal':21 'progressive':22 's':3A,19 'tales':7C 'the':9C,17 'thousand':10C 'to':1A 'winter':13C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['doom metal', 'metal', 'melodic death metal', 'death metal', 'progressive metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310850.3511682  (2021-05-06 16:20:50)
                             'size'  3774851