======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'Bobby Bland'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  "I Can't Stop Singing"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '024'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '137.292'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '137.292'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         "I Can't Stop Singing"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Bland'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '024'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'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'                        '+1.61 dB'
'TXXX:replaygain_track_peak'                        '0.390103'

========================== row from database ==========================
                                              'id'  1504587
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/024 Bobby Bland - I can_t stop singing (12-21-63).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  prerock-unsorted
                                        'filesize'  2451119
                                           'mtime'  1622760178
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 024 can_t stop singing (12 21 63) prerock unsorted
                                      'tag_artist'  Bobby Bland
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  I Can't Stop Singing
                                             'bpm'  137.292
                                    'search_title'  'can':2 'cant':4 'i':1 'singing':6 'stop':5 't':3
                                   'search_artist'  'bland':2 'bobby':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '12':14,15 '21':16 '63':8,9 'can':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':17 'singing':13 'stop':12 't':11 'under':5 'unsorted':18
                                    'search_combo'  '11':17,18 '12':25,26 '21':27 '5':11C '63':19,20 'bland':8B 'bobby':7B 'bubbling':9C 'can':2A,21 'cant':4A 'country':15 'exotica':13 'i':1A 'jazz':12 'oldies':14 'prerock':28 'singing':6A,24 'stop':5A,23 't':3A,22 'under':10C,16 'unsorted':29
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  4A
                                           '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-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'soul', 'rhythm and blues', 'jazz', 'rnb']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760178.0196016  (2021-06-04 00:42:58)
                             'size'  2451119