======================== unified (from filesystem) ========================
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                                        'duration'  '302'
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                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
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                                             'bpm'  '112.821'
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                                        'acoustid'  ''
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'The World Was a Mess But His Hair Was Perfect'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rakes'
'TPE2' (Band/orchestra/accompaniment)               'The Rakes'
'TRCK' (Track number/Position in set)               '01'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'pop', 'brit pop', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'rock', 'british', 'british i like', 'alternative']
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'TXXX:q-chart'                                      '3'
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'TXXX:q-grit'                                       '2'
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'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.526791'

========================== row from database ==========================
                                              'id'  1373783
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Rakes/Ten New Messages/the rakes - ten new messages - 01 - the world was a mess but his hair was perfect.mp3
                                         'working'  None
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                                    'duration_sec'  302
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  8371402
                                           'mtime'  1638554873
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                                        'rest_str'   00poprockelectronic poprock indierock the rakes ten new messages 01 the world was mess but his hair was perfect ifs songwriter indie rock
                                      'tag_artist'  The Rakes
                                     'tag_release'  Ten New Messages
                                       'tag_title'  The World Was a Mess But His Hair Was Perfect
                                             'bpm'  112.821
                                    'search_title'  'a':4 'but':6 'hair':8 'his':7 'mess':5 'perfect':9 'the':1 'was':3 'world':2
                                   'search_artist'  'rakes':2 'the':1
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                                    'search_combo'  '00poprockelectronic':15 'a':4A 'but':6A,26 'hair':8A,28 'his':7A,27 'ifs':30 'indie':32 'indierock':17 'mess':5A,25 'messages':14C,22 'new':13C,21 'perfect':9A,29 'poprock':16 'rakes':11B,19 'rock':33 'songwriter':31 'ten':12C,20 'the':1A,10B,18 'was':3A,24 'world':2A,23
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'rock', 'british', 'british i like', 'alternative']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic', 'rock', 'pop', 'brit pop', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554872.7226157  (2021-12-03 19:07:52)
                             'size'  8371402