======================== unified (from filesystem) ========================
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                                        'duration'  '231'
                                          'artist'  'Nick Kamen'
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                                           'title'  'I Promise Myself'
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                                      'lastfmtags'  "['house', 'british', 'new wave', 'pop', 'male vocalists', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '137.946'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '137.946'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'I Promise Myself'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nick Kamen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8/20'
'TSOP' (Performer sort order)                       'Kamen, Nick'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
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'TXXX:lastfmtags'                                   ['house', 'british', 'new wave', 'pop', 'male vocalists', '80s']
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'TXXX:q-drums'                                      '4'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.464736'

========================== row from database ==========================
                                              'id'  1356445
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/070. Nick Kamen - I Promised Myself (2004).mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  231
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5560364
                                           'mtime'  1620573246
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 070. Promised (2004) electronic we new wave or post punk
                                      'tag_artist'  Nick Kamen
                                     'tag_release'  Damn! 10 (disc 1)
                                       'tag_title'  I Promise Myself
                                             'bpm'  137.946
                                    'search_title'  'i':1 'myself':3 'promise':2
                                   'search_artist'  'kamen':2 'nick':1
                                  'search_release'  '1':4,5 'damn':1 'disc':2,3
                                     'search_rest'  '00poprockelectronic':1 '070':13,14 '2004':16,17 'best':9 'club':7,8 'dance':5,6 'electronic':18 'etc':12 'new':20 'of':10,11 'or':22 'post':23 'promised':15 'punk':24 'top':3,4 'unsorted':2 'wave':21 'we':19
                                    'search_combo'  '00poprockelectronic':11 '070':23,24 '1':9C,10C '2004':26,27 'best':19 'club':17,18 'damn':6C 'dance':15,16 'disc':7C,8C 'electronic':28 'etc':22 'i':1A 'kamen':5B 'myself':3A 'new':30 'nick':4B 'of':20,21 'or':32 'post':33 'promise':2A 'promised':25 'punk':34 'top':13,14 'unsorted':12 'wave':31 'we':29
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['house', 'british', 'new wave', 'pop', 'male vocalists', '80s']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573246.014144  (2021-05-09 17:14:06)
                             'size'  5560364