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======================== unified (from filesystem) ========================
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                                        'duration'  '291'
                                          'artist'  'The Flaming Lips'
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                                         'release'  'At War With The Mystics'
                                           'title'  'My Cosmic Autumn Rebellion'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '138.607'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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'COMM:iTunes_CDDB_IDs:eng'                          '12+40802D898FD85B79EE7E52B4DED1E3BB+6832836'
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'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.2'
'TIT2' (Title/songname/content description)         'My Cosmic Autumn Rebellion'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flaming Lips'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/12'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
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'TXXX:replaygain_track_peak'                        '0.246995'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Flaming Lips/At War With The Mystics/04 My Cosmic Autumn Rebellion.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  291
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  8251429
                                           'mtime'  1638554816
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                                     'tag_release'  At War With The Mystics
                                       'tag_title'  My Cosmic Autumn Rebellion
                                             'bpm'  138.607
                                    'search_title'  'autumn':3 'cosmic':2 'my':1 'rebellion':4
                                   'search_artist'  'flaming':2 'lips':3 'the':1
                                  'search_release'  'at':1 'mystics':5 'the':4 'war':2 'with':3
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'rock':6 'songwriter':2
                                    'search_combo'  '00singer':13 'at':8C 'autumn':3A 'cosmic':2A 'eos':15 'flaming':6B 'ifs':16 'indie':17 'lips':7B 'my':1A 'mystics':12C 'rebellion':4A 'rock':18 'songwriter':14 'the':5B,11C 'war':9C 'with':10C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'noise', 'psychedelic rock', 'experimental', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554816.3147557  (2021-12-03 19:06:56)
                             'size'  8251429