======================== unified (from filesystem) ========================
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                                        'duration'  '170'
                                          'artist'  'Rilo Kiley'
                                     'text_people'  'Lewis/Sennett'
                                         'release'  'The Execution Of All Things'
                                           'title'  'Three Hopeful Thoughts'
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                                      'lastfmtags'  "['indie', 'female vocalists', 'favorites', 'indie rock']"
                                     'discogstags'  "['rock']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;ifs-songwriter-indie-rock;ifs-songwriter-indie-pop'
                                             'bpm'  '96.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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'TALB' (Album/Movie/Show title)                     'The Execution Of All Things'
'TBPM' (BPM (beats per minute))                     '96.2'
'TCOM' (Composer)                                   'Lewis/Sennett'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted',
 'ifs-songwriter-indie-rock',
 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Three Hopeful Thoughts'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rilo Kiley'
'TPE2' (Band/orchestra/accompaniment)               'Rilo Kiley'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Saddle Creek'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'favorites', 'indie rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
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========================== row from database ==========================
                                              'id'  1301539
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rilo Kiley/The Execution of All Things/09 three hopeful thoughts.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  170
                                           'genre'  ifs-songwriter-indie-unsorted;ifs-songwriter-indie-rock;ifs-songwriter-indie-pop
                                        'filesize'  3404414
                                           'mtime'  1620571873
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of 09 three hopeful thoughts ifs songwriter indie unsorted;ifs songwriter indie rock;ifs songwriter indie pop
                                      'tag_artist'  Rilo Kiley
                                     'tag_release'  The Execution Of All Things
                                       'tag_title'  Three Hopeful Thoughts
                                             'bpm'  96.2
                                    'search_title'  'hopeful':2 'thoughts':3 'three':1
                                   'search_artist'  'kiley':2 'rilo':1
                                  'search_release'  'all':4 'execution':2 'of':3 'the':1 'things':5
                                     'search_rest'  '00poprockelectronic':1 'hopeful':4 'ifs':6,10,12,14,16 'indie':8 'of':2 'pop':17 'rock':13,15 'songwriter':7 'thoughts':5 'three':3 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':11 'all':9C 'execution':7C 'hopeful':2A,14 'ifs':16,20,22,24,26 'indie':18 'kiley':5B 'of':8C,12 'pop':27 'rilo':4B 'rock':23,25 'songwriter':17 'the':6C 'things':10C 'thoughts':3A,15 'three':1A,13 'unsorted':19,21
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'favorites', 'indie rock']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620571872.954884  (2021-05-09 16:51:12)
                             'size'  3404414