<pre>
======================== unified (from filesystem) ========================
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                                        'duration'  '303'
                                          'artist'  'Poets of the Fall'
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                                      'lastfmtags'  ("['alternative rock', '10 of 10 stars', 'finnish', 'indie', 'rock', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '15'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '91.9'
                                             'key'  '9A'
                                        'acoustid'  '4a5486c5-2f32-450f-adde-8dfe0ce299ba'
rest: ''

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'TALB' (Album/Movie/Show title)                     'Alchemy, Vol. 1'
'TBPM' (BPM (beats per minute))                     '91.9'
'TCOM' (Composer)                                   'Poets of the Fall'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-03-16'
'TIT2' (Title/songname/content description)         'Change'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '303856'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Poets of the Fall'
'TPE2' (Band/orchestra/accompaniment)               'Poets of the Fall'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Insomniac'
'TRCK' (Track number/Position in set)               '13/15'
'TSO2'                                              'Poets of the Fall'
'TSOP' (Performer sort order)                       'Poets of the Fall'
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'TXXX:Artists'                                      'Poets of the Fall'
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'TXXX:MusicBrainz Album Id'                         '2f879ff2-2de2-46e6-bf9b-a9e4cb24b3e5'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '3'
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'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative rock',
 '10 of 10 stars',
 'finnish',
 'indie',
 'rock',
 'alternative']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
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========================== row from database ==========================
                                              'id'  1477855
                                            'path'  /data/Music/Bulk/00dwimp/Poets of the Fall Alchemy Vol.1 (2011)/Poets Of The Fall - 13 - War.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  303
                                           'genre'  eid-unsorted
                                        'filesize'  12240490
                                           'mtime'  1620521051
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Vol.1 (2011) Of The 13 War eid unsorted
                                      'tag_artist'  Poets of the Fall
                                     'tag_release'  Alchemy, Vol. 1
                                       'tag_title'  Change
                                             'bpm'  91.9
                                    'search_title'  'change':1
                                   'search_artist'  'fall':4 'of':2 'poets':1 'the':3
                                  'search_release'  '1':5 'alchemy':1,2 'vol':3,4
                                     'search_rest'  '00dwimp':1 '1':3 '2011':5,6 'eid':10 'of':7 'the':8 'unsorted':11 'vol':2 'vol1':4 'war':9
                                    'search_combo'  '00dwimp':11 '1':10C,13 '2011':15,16 'alchemy':6C,7C 'change':1A 'eid':20 'fall':5B 'of':3B,17 'poets':2B 'the':4B,18 'unsorted':21 'vol':8C,9C,12 'vol1':14 'war':19
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['alternative rock', '10 of 10 stars', 'finnish', 'indie', 'rock', 'alternative']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521050.9411685  (2021-05-09 02:44:10)
                             'size'  12240490