======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '123'
                                          'artist'  "Gilmore's Band"
                                     'text_people'  ''
                                         'release'  'Columbia 31870'
                                           'title'  "Ballet Music From ' William Tell ' (Rossini)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['all', 'phonograph', '1900s', '1901', 'covers']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1903'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '122.1'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Columbia 31870'
'TBPM' (BPM (beats per minute))                     '122.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1903'
'TIT2' (Title/songname/content description)         "Ballet Music From ' William Tell ' (Rossini)"
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '123000'
'TPE1' (Lead performer(s)/Soloist(s))               "Gilmore's Band"
'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'                                   ['all', 'phonograph', '1900s', '1901', 'covers']
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.990241'

========================== row from database ==========================
                                              'id'  1513840
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1903/Gilmore_s Band - Ballet Music From _ William Tell _ (Rossini) 1903.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  123
                                           'genre'  prerock-band
                                        'filesize'  2497683
                                           'mtime'  1630255070
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1903 Gilmore_s _ _ 1903 prerock band
                                      'tag_artist'  Gilmore's Band
                                     'tag_release'  Columbia 31870
                                       'tag_title'  Ballet Music From ' William Tell ' (Rossini)
                                             'bpm'  122.1
                                    'search_title'  'ballet':1 'from':3 'music':2 'rossini':6,7 'tell':5 'william':4
                                   'search_artist'  'band':4 'gilmore':1 'gilmores':3 's':2
                                  'search_release'  '31870':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 '1903':6 'band':10 'country':4 'exotica':2 'gilmore':7 'jazz':1 'oldies':3 'prerock':9 's':8
                                    'search_combo'  '00oldiepop':18 '1903':19 '31870':13C 'ballet':1A 'band':11B,23 'columbia':12C 'country':17 'exotica':15 'from':3A 'gilmore':8B,20 'gilmores':10B 'jazz':14 'music':2A 'oldies':16 'prerock':22 'rossini':6A,7A 's':9B,21 'tell':5A 'william':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           '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-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'  ['all', 'phonograph', '1900s', '1901', 'covers']
                                        'tag_date'  1903
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630255070.2075644  (2021-08-29 18:37:50)
                             'size'  2497683