======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Death Angel'
                                     'text_people'  ''
                                         'release'  'The Art of Dying'
                                           'title'  'No'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-speedmetal'
                                             'bpm'  '122.363'
                                             'key'  '1A'
                                        'acoustid'  '4a804e56-c6f0-4c67-91e8-c872d291b7f0'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-speedmetal'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-04-26'
'TIT2' (Title/songname/content description)         'No'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Death Angel'
'TPE2' (Band/orchestra/accompaniment)               'Death Angel'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Death Angel'
'TSOP' (Performer sort order)                       'Death Angel'
'TXXX:ASIN'                                         'B0001NPUCY'
'TXXX:Acoustid Id'                                  '4a804e56-c6f0-4c67-91e8-c872d291b7f0'
'TXXX:BARCODE'                                      '727361123307'
'TXXX:CATALOGNUMBER'                                'NB 1233-0'
'TXXX:MusicBrainz Album Artist Id'                  '562ff334-c34f-45b0-a519-e5d171482df2'
'TXXX:MusicBrainz Album Id'                         '4aa96453-46dd-3692-b7a7-f36798dc0f69'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '562ff334-c34f-45b0-a519-e5d171482df2'
'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:lastfmtags'                                   ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.321172'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'38435dad-8957-46b4-840f-8e2607dde021')

========================== row from database ==========================
                                              'id'  1328604
                                            'path'  /data/Music/Bulk/00poprockelectronic/Death Angel/The art of dying/08 - no.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  eid-metal-speedmetal
                                        'filesize'  4885136
                                           'mtime'  1620311691
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic art dying 08 no eid metal speedmetal
                                      'tag_artist'  Death Angel
                                     'tag_release'  The Art of Dying
                                       'tag_title'  No
                                             'bpm'  122.363
                                    'search_title'  'no':1
                                   'search_artist'  'angel':2 'death':1
                                  'search_release'  'art':2 'dying':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'art':2 'dying':3 'eid':5 'metal':6 'no':4 'speedmetal':7
                                    'search_combo'  '00poprockelectronic':8 'angel':3B 'art':5C,9 'death':2B 'dying':7C,10 'eid':12 'metal':13 'no':1A,11 'of':6C 'speedmetal':14 'the':4C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311690.5161164  (2021-05-06 16:34:50)
                             'size'  4885136