======================== unified (from filesystem) ========================
                                         'bitrate'  '198.305'
                                        'duration'  '308'
                                          'artist'  'Emilie Autumn'
                                     'text_people'  ''
                                         'release'  "A Bit o' This & That"
                                           'title'  'By the Sword'
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 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '142.008'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Bit o' This & That"
'TBPM' (BPM (beats per minute))                     '142.008'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'By the Sword'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Autumn'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.14 dB'
'TXXX:replaygain_track_peak'                        '0.476940'

========================== row from database ==========================
                                              'id'  1507578
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Emilie Autumn/A_Bit_O_This_And_That-Limited_Edition-2007/Emilie Autumn - A Bit o_ This & That - 04 - By the Sword.mp3
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  308
                                           'genre'  ifs-songwriter
                                        'filesize'  7657642
                                           'mtime'  1636401720
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos A_Bit_O_This_And_That Limited_Edition 2007 o_ 04 ifs songwriter
                                      'tag_artist'  Emilie Autumn
                                     'tag_release'  A Bit o' This & That
                                       'tag_title'  By the Sword
                                             'bpm'  142.008
                                    'search_title'  'by':1 'sword':3 'the':2
                                   'search_artist'  'autumn':2 'emilie':1
                                  'search_release'  'a':1 'bit':2 'o':3,4 'that':6 'this':5
                                     'search_rest'  '00singer':1 '2007':12 'a':4 'and':8 'bit':5 'edition':11 'eos':3 'ifs':14 'limited':10 'o':6,13 'songwriter':2 'that':9 'this':7
                                    'search_combo'  '00singer':12 '2007':23 'a':6C,15 'and':19 'autumn':5B 'bit':7C,16 'by':1A 'edition':22 'emilie':4B 'eos':14 'ifs':25 'limited':21 'o':8C,9C,17,24 'songwriter':13 'sword':3A 'that':11C,20 'the':2A 'this':10C,18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'instrumental', 'music box', 'female vocalists', 'darkwave']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401719.806556  (2021-11-08 21:01:59)
                             'size'  7657642