======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '62'
                                          'artist'  'Harry Partch'
                                     'text_people'  ''
                                         'release'  'And on the Seventh Day Petals Fell in Petaluma'
                                           'title'  'Verse 29'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  ("['contemporary classical', 'earwaves', 'avant garde', 'experimental', "
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '123.708'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'And on the Seventh Day Petals Fell in Petaluma'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Verse 29'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Partch'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['contemporary classical',
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'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.787158'

========================== row from database ==========================
                                              'id'  1389870
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Harry Partch - And on the Seventh Day Petals Fell in Petaluma (638957)/petals 29 verse 29.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  62
                                           'genre'  electronic-experimental
                                        'filesize'  2521098
                                           'mtime'  1621869005
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (638957) petals verse electronic experimental
                                      'tag_artist'  Harry Partch
                                     'tag_release'  And on the Seventh Day Petals Fell in Petaluma
                                       'tag_title'  Verse 29
                                             'bpm'  123.708
                                    'search_title'  '29':2 'verse':1
                                   'search_artist'  'harry':1 'partch':2
                                  'search_release'  'and':1 'day':5 'fell':7 'in':8 'on':2 'petals':6 'petaluma':9 'seventh':4 'the':3
                                     'search_rest'  '638957':1,2 'electronic':5 'experimental':6 'petals':3 'verse':4
                                    'search_combo'  '29':2A '638957':14,15 'and':5C 'day':9C 'electronic':18 'experimental':19 'fell':11C 'harry':3B 'in':12C 'on':6C 'partch':4B 'petals':10C,16 'petaluma':13C 'seventh':8C 'the':7C 'verse':1A,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'earwaves', 'avant garde', 'experimental', 'microtonal']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621869004.7400506  (2021-05-24 17:10:04)
                             'size'  2521098