======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Sam Lanin'
                                     'text_people'  ''
                                         'release'  'Gennett  9427'
                                           'title'  'Midnight Rose'
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['melodi', 'berlinx', 'schwabingo', 'covers', '20th century pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1923'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '97.1'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           "Sound edited from 78's by Breda4@hotmail.com"
'TALB' (Album/Movie/Show title)                     'Gennett  9427'
'TBPM' (BPM (beats per minute))                     '97.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1923-06-23'
'TIT2' (Title/songname/content description)         'Midnight Rose'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '176000'
'TPE1' (Lead performer(s)/Soloist(s))               'Sam Lanin'
'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'                                   ['melodi', 'berlinx', 'schwabingo', 'covers', '20th century pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.619543'

========================== row from database ==========================
                                              'id'  1463208
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1923/Sam Lanin - Midnight Rose 23-6-1923.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-band
                                        'filesize'  3583917
                                           'mtime'  1620559885
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1923 23 6 1923 prerock band
                                      'tag_artist'  Sam Lanin
                                     'tag_release'  Gennett  9427
                                       'tag_title'  Midnight Rose
                                             'bpm'  97.1
                                    'search_title'  'midnight':1 'rose':2
                                   'search_artist'  'lanin':2 'sam':1
                                  'search_release'  '9427':2 'gennett':1
                                     'search_rest'  '00oldiepop':5 '1923':6 '23':7 '6':8 'band':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9
                                    'search_combo'  '00oldiepop':11 '1923':12 '23':13 '6':14 '9427':6C 'band':16 'country':10 'exotica':8 'gennett':5C 'jazz':7 'lanin':4B 'midnight':1A 'oldies':9 'prerock':15 'rose':2A 'sam':3B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['melodi', 'berlinx', 'schwabingo', 'covers', '20th century pop']
                                        'tag_date'  1923
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559885.4544985  (2021-05-09 13:31:25)
                             'size'  3583917