======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '156'
                                          'artist'  'Mark Wynter'
                                     'text_people'  ''
                                         'release'  'Go Away Little Girl - CD1'
                                           'title'  'Cinnamon Sinner'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
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 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'male vocalists', 'oldies', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '86.511'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Go Away Little Girl - CD1'
'TBPM' (BPM (beats per minute))                     '86.511'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TIT2' (Title/songname/content description)         'Cinnamon Sinner'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mark Wynter'
'TRCK' (Track number/Position in set)               '20'
'TXXX:GN_DiscArtist'                                'Mark Wynter'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'male vocalists', 'oldies', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.36 dB'
'TXXX:replaygain_track_peak'                        '0.386653'

========================== row from database ==========================
                                              'id'  735833
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Mark Wynter - Cinnamon Sinner.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  156
                                           'genre'  set-th-candy
                                        'filesize'  3131392
                                           'mtime'  1620343120
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets set th candy
                                      'tag_artist'  Mark Wynter
                                     'tag_release'  Go Away Little Girl - CD1
                                       'tag_title'  Cinnamon Sinner
                                             'bpm'  86.511
                                    'search_title'  'cinnamon':1 'sinner':2
                                   'search_artist'  'mark':1 'wynter':2
                                  'search_release'  'away':2 'cd1':5 'girl':4 'go':1 'little':3
                                     'search_rest'  'candy':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':6 'sweets':5 'th':7
                                    'search_combo'  'away':6C 'candy':17 'cd1':9C 'cinnamon':1A 'country':13 'exotica':11 'girl':8C 'go':5C 'jazz':10 'little':7C 'mark':3B 'oldies':12 'set':15 'sinner':2A 'sweets':14 'th':16 'wynter':4B
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'male vocalists', 'oldies', 'easy listening']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343119.8823404  (2021-05-07 01:18:39)
                             'size'  3131392