======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '294'
                                          'artist'  'Original Soundtrack'
                                     'text_people'  'Bono/Daniel Lanois'
                                         'release'  'Million Dollar Hotel soundtrak'
                                           'title'  'Falling at Your Feet'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
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 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '121.701'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Million Dollar Hotel soundtrak'
'TBPM' (BPM (beats per minute))                     '121.701'
'TCOM' (Composer)                                   'Bono/Daniel Lanois'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Falling at Your Feet'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'U2'
'TPE2' (Band/orchestra/accompaniment)               'Original Soundtrack'
'TPUB' (Publisher)                                  'Interscope'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.625042'

========================== row from database ==========================
                                              'id'  1495639
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Bono & Daniel Lanois - Falling At Your Feet.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  294
                                           'genre'  soundtrack-video
                                        'filesize'  4721172
                                           'mtime'  1620331856
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Bono & Daniel Lanois At soundtrack video
                                      'tag_artist'  Original Soundtrack
                                     'tag_release'  Million Dollar Hotel soundtrak
                                       'tag_title'  Falling at Your Feet
                                             'bpm'  121.701
                                    'search_title'  'at':2 'falling':1 'feet':4 'your':3
                                   'search_artist'  'original':1 'soundtrack':2
                                  'search_release'  'dollar':2 'hotel':3 'million':1 'soundtrak':4
                                     'search_rest'  '00poprockelectronic':1 'at':8 'bono':5 'dance':3 'daniel':6 'generic':2 'lanois':7 'soundtrack':9 'trapbeat':4 'video':10
                                    'search_combo'  '00poprockelectronic':11 'at':2A,18 'bono':15 'dance':13 'daniel':16 'dollar':8C 'falling':1A 'feet':4A 'generic':12 'hotel':9C 'lanois':17 'million':7C 'original':5B 'soundtrack':6B,19 'soundtrak':10C 'trapbeat':14 'video':20 'your':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620331855.579903  (2021-05-06 22:10:55)
                             'size'  4721172