======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '187'
                                          'artist'  "Milo Rega's Dance Orchestra"
                                     'text_people'  ''
                                         'release'  'Okeh  4001'
                                           'title'  'Peggy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '114.934'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Okeh  4001'
'TBPM' (BPM (beats per minute))                     '114.934'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Peggy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Milo Rega's Dance Orchestra"
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.542484'

========================== row from database ==========================
                                              'id'  1497849
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/Milo Rega_s Dance Orchestra - Peggy -9-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  187
                                           'genre'  prerock-band
                                        'filesize'  3753636
                                           'mtime'  1620559627
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1919 Rega_s 9 1919 prerock band
                                      'tag_artist'  Milo Rega's Dance Orchestra
                                     'tag_release'  Okeh  4001
                                       'tag_title'  Peggy
                                             'bpm'  114.934
                                    'search_title'  'peggy':1
                                   'search_artist'  'dance':5 'milo':1 'orchestra':6 'rega':2 'regas':4 's':3
                                  'search_release'  '4001':2 'okeh':1
                                     'search_rest'  '00oldiepop':5 '1919':6 '9':9 'band':11 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'rega':7 's':8
                                    'search_combo'  '00oldiepop':14 '1919':15 '4001':9C '9':18 'band':20 'country':13 'dance':6B 'exotica':11 'jazz':10 'milo':2B 'okeh':8C 'oldies':12 'orchestra':7B 'peggy':1A 'prerock':19 'rega':3B,16 'regas':5B 's':4B,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559626.7050724  (2021-05-09 13:27:06)
                             'size'  3753636