======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'Freddie Jackson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "He'll Never Love You  (Like I Do) (single version)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rnb', 'soul', 'quiet storm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '116.520'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '116.520'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         "He'll Never Love You  (Like I Do) (single version)"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Freddie Jackson'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'soul', 'quiet storm']
'TXXX:other'                                        'A'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.558109'

========================== row from database ==========================
                                              'id'  1498836
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/396-A Freddie Jackson - He_ll Never Love You  (Like I Do) (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  funk or soul
                                        'filesize'  9805671
                                           'mtime'  1628357921
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 396 A He_ll funk or soul
                                      'tag_artist'  Freddie Jackson
                                     'tag_release'  None
                                       'tag_title'  He'll Never Love You  (Like I Do) (single version)
                                             'bpm'  116.52
                                    'search_title'  'do':10,11 'he':1 'hell':3 'i':9 'like':7,8 'll':2 'love':5 'never':4 'single':12,13 'version':14,15 'you':6
                                   'search_artist'  'freddie':1 'jackson':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '396':4 'a':5 'complete':3 'funk':8 'he':6 'll':7 'or':9 'soul':10
                                    'search_combo'  '00poprockelectronic':18 '1985':19 '396':21 'a':22 'complete':20 'do':10A,11A 'freddie':16B 'funk':25 'he':1A,23 'hell':3A 'i':9A 'jackson':17B 'like':7A,8A 'll':2A,24 'love':5A 'never':4A 'or':26 'single':12A,13A 'soul':27 'version':14A,15A 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'soul', 'quiet storm']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357921.283971  (2021-08-07 19:38:41)
                             'size'  9805671