======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '180'
                                          'artist'  'Bobby "Blue" Bland'
                                     'text_people'  ''
                                         'release'  'Rhythm & Blues: 1957'
                                           'title'  'Farther Up The Road'
                                           'quals'  ("['Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['rnb', 'blues', 'jazz', 'rhythm and blues', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '254'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '104.283'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rhythm & Blues: 1957'
'TBPM' (BPM (beats per minute))                     '104.283'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Farther Up The Road'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '180767'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby "Blue" Bland'
'TRCK' (Track number/Position in set)               '254'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'blues', 'jazz', 'rhythm and blues', 'soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.481259'

========================== row from database ==========================
                                              'id'  1452042
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-254 - Bobby Blue Bland - Farther Up The Road.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  180
                                           'genre'  prerock-unsorted
                                        'filesize'  7232742
                                           'mtime'  1620387708
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 254 prerock unsorted
                                      'tag_artist'  Bobby "Blue" Bland
                                     'tag_release'  Rhythm & Blues: 1957
                                       'tag_title'  Farther Up The Road
                                             'bpm'  104.283
                                    'search_title'  'farther':1 'road':4 'the':3 'up':2
                                   'search_artist'  'bland':3 'blue':2 'bobby':1
                                  'search_release'  '1957':4 'blues':2,3 'rhythm':1
                                     'search_rest'  '00oldiepop':5 '254':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':16 '1957':11C '254':17 'bland':7B 'blue':6B 'blues':9C,10C 'bobby':5B 'country':15 'exotica':13 'farther':1A 'jazz':12 'oldies':14 'prerock':18 'rhythm':8C 'road':4A 'the':3A 'unsorted':19 'up':2A
                                    'tag_tracknum'  254
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'blues', 'jazz', 'rhythm and blues', 'soul']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387707.9283054  (2021-05-07 13:41:47)
                             'size'  7232742