======================== unified (from filesystem) ========================
                                         'bitrate'  '206.455'
                                        'duration'  '126'
                                          'artist'  'Iron & Wine'
                                     'text_people'  ''
                                         'release'  "The Shepherd's Dog"
                                           'title'  'The Devil Never Sleeps'
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                                      'lastfmtags'  "['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;ifs-songwriter-folk;ifs-songwriter-indie-pop'
                                             'bpm'  '108.239'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '108.239'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted',
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'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'The Devil Never Sleeps'
'TKEY' (Initial key)                                '7B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Iron & Wine'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.331399'

========================== row from database ==========================
                                              'id'  1270225
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Iron and Wine - Iron & Wine/The Shepherds Dog/10-iron_and_wine-the_devil_never_sleeps.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  126
                                           'genre'  ifs-songwriter-indie-unsorted;ifs-songwriter-folk;ifs-songwriter-indie-pop
                                        'filesize'  3276785
                                           'mtime'  1637950193
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos and Shepherds 10 iron_and_wine the_devil_never_sleeps ifs songwriter indie unsorted;ifs songwriter folk;ifs songwriter indie pop
                                      'tag_artist'  Iron & Wine
                                     'tag_release'  The Shepherd's Dog
                                       'tag_title'  The Devil Never Sleeps
                                             'bpm'  108.239
                                    'search_title'  'devil':2 'never':3 'sleeps':4 'the':1
                                   'search_artist'  'iron':1 'wine':2
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                                     'search_rest'  '00singer':1 'and':4,7 'devil':10 'eos':3 'folk':19,21 'ifs':13,16,18,20,22 'indie':14 'iron':6 'never':11 'pop':23 'shepherds':5 'sleeps':12 'songwriter':2 'the':9 'unsorted':15,17 'wine':8
                                    'search_combo'  '00singer':12 'and':15,18 'devil':2A,21 'dog':11C 'eos':14 'folk':30,32 'ifs':24,27,29,31,33 'indie':25 'iron':5B,17 'never':3A,22 'pop':34 's':9C 'shepherd':8C 'shepherds':10C,16 'sleeps':4A,23 'songwriter':13 'the':1A,7C,20 'unsorted':26,28 'wine':6B,19
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'Q-PLAY-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637950192.6042619  (2021-11-26 19:09:52)
                             'size'  3276785