======================== unified (from filesystem) ========================
                                         'bitrate'  '237.165'
                                        'duration'  '321'
                                          'artist'  'Therion'
                                     'text_people'  ''
                                         'release'  'Gothic Kabbalah'
                                           'title'  'Chain of Minerva'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '7'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic;eid-metal-symphonic;eid-metal-progressive'
                                             'bpm'  '90.331'
                                             'key'  '9A'
                                        'acoustid'  '50cdf181-78f4-4acf-b01b-b15f3b4d034f'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gothic Kabbalah'
'TBPM' (BPM (beats per minute))                     '90.331'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-doom or gothic', 'eid-metal-symphonic', 'eid-metal-progressive']
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-02-06'
'TENC' (Encoded by)                                 'Winamp 5.35'
'TEXT' (Lyricist/Text writer)                       'Thomas Karlsson'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Mats Levén'], ['engineer', 'Sanken Sandqvist'], ['engineer', 'Stefan Glaumann'], ['engineer', 'Tor Ingvarsson'], ['engineer', 'Staffan Celmin'], ['engineer', 'Therion'], ['mix', 'Stefan Glaumann'], ['guest vocal', 'Mats Levén'], ['guest vocal', 'Katarina Lilja'], ['guest vocal', 'Hannah Holgersson'], ['guest vocal', 'Snowy Shaw'], ['guitars and keyboard', 'Kristian Niemann'], ['drums, guitar, keyboard and percussion', 'Petter Karlsson'], ['guitar and keyboard', 'Christofer Johnsson'], ['guest hammond organ', 'Ken Hensley'], ['guest hammond organ', 'Joakim Svalberg'], ['vocal', 'Petter Karlsson'], ['acoustic guitar, bass guitar and guitar', 'Johan Niemann'], ['guest choir vocals vocal', 'Karin Fjellander'], ['guest tambourine', 'Stefan Glaumann'], ['guest guitar', 'Mats Levén'], ['guest tenor vocals vocal', 'Jonas Samuelsson-Nerbe']])
'TIT2' (Title/songname/content description)         'Chain of Minerva'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Therion'
'TPE2' (Band/orchestra/accompaniment)               'Therion'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'TRCK' (Track number/Position in set)               '5/7'
'TSO2'                                              'Therion'
'TSOP' (Performer sort order)                       'Therion'
'TSRC' (ISRC (international standard recording code))  'DED830696413'
'TXXX:ASIN'                                         'B000KRN65E'
'TXXX:Acoustid Id'                                  '50cdf181-78f4-4acf-b01b-b15f3b4d034f'
'TXXX:BARCODE'                                      '727361178024'
'TXXX:CATALOGNUMBER'                                '1780-2'
'TXXX:MusicBrainz Album Artist Id'                  'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'TXXX:MusicBrainz Album Id'                         '61291394-41f4-3e9a-87f1-ddc1e74032fe'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c6b0db5a-d750-4ed8-9caa-ddcfb75dcb0a'
'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'                                   ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.488512'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'26bac7e6-63a6-413a-b114-4c77fbe812d4')

========================== row from database ==========================
                                              'id'  1340399
                                            'path'  /data/Music/Bulk/00poprockelectronic/Therion/Gothic Kaballah/[Disc 2]/Therion - 05 - Chain Of Minerva.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  321
                                           'genre'  eid-metal-doom or gothic;eid-metal-symphonic;eid-metal-progressive
                                        'filesize'  9527512
                                           'mtime'  1620310907
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kaballah [Disc 2] 05 Of eid metal doom or gothic;eid metal symphonic;eid metal progressive
                                      'tag_artist'  Therion
                                     'tag_release'  Gothic Kabbalah
                                       'tag_title'  Chain of Minerva
                                             'bpm'  90.331
                                    'search_title'  'chain':1 'minerva':3 'of':2
                                   'search_artist'  'therion':1
                                  'search_release'  'gothic':1 'kabbalah':2
                                     'search_rest'  '00poprockelectronic':1 '2':5,6 'disc':3,4 'doom':10 'eid':8,13,15,17,19 'gothic':12,14 'kaballah':2 'metal':9 'of':7 'or':11 'progressive':20 'symphonic':16,18
                                    'search_combo'  '00poprockelectronic':7 '2':11,12 'chain':1A 'disc':9,10 'doom':16 'eid':14,19,21,23,25 'gothic':5C,18,20 'kaballah':8 'kabbalah':6C 'metal':15 'minerva':3A 'of':2A,13 'or':17 'progressive':26 'symphonic':22,24 'therion':4B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['death metal', 'progressive metal', 'symphonic metal', 'metal', 'gothic metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310907.2142248  (2021-05-06 16:21:47)
                             'size'  9527512