======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'Debroy Somers'
                                     'text_people'  ''
                                         'release'  'Columbia FB  1894'
                                           'title'  'Me And My Girl Medley (v Rhythm Brothers)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1938'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '120.399'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia FB  1894'
'TBPM' (BPM (beats per minute))                     '120.399'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1938'
'TIT2' (Title/songname/content description)         'Me And My Girl Medley (v Rhythm Brothers)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Debroy Somers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.551966'

========================== row from database ==========================
                                              'id'  1436965
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1938/Debroy Somers - Me And My Girl Medley (v Rhythm Brothers) 30-1-1938.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  prerock-unsorted
                                        'filesize'  3856178
                                           'mtime'  1621698012
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1938 30 1938 prerock unsorted
                                      'tag_artist'  Debroy Somers
                                     'tag_release'  Columbia FB  1894
                                       'tag_title'  Me And My Girl Medley (v Rhythm Brothers)
                                             'bpm'  120.399
                                    'search_title'  'and':2 'brothers':9,10 'girl':4 'me':1 'medley':5 'my':3 'rhythm':8 'v':6,7
                                   'search_artist'  'debroy':1 'somers':2
                                  'search_release'  '1894':3 'columbia':1 'fb':2
                                     'search_rest'  '00oldiepop':5 '1938':6 '30':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':20 '1894':15C '1938':21 '30':22 'and':2A 'brothers':9A,10A 'columbia':13C 'country':19 'debroy':11B 'exotica':17 'fb':14C 'girl':4A 'jazz':16 'me':1A 'medley':5A 'my':3A 'oldies':18 'prerock':23 'rhythm':8A 'somers':12B 'unsorted':24 'v':6A,7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1938
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698011.9069207  (2021-05-22 17:40:11)
                             'size'  3856178