======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '137'
                                          'artist'  "Arthur Pryor's Band"
                                     'text_people'  ''
                                         'release'  'Victor  4350'
                                           'title'  'Dixie'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', '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']")
                                      'lastfmtags'  "['all', 'jazz', 'ragtime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1905'
                                        'comments'  ''
                                           'genre'  'prerock-instrumental'
                                             'bpm'  '121.5'
                                             'key'  '9A'
                                        '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)                     'Victor  4350'
'TBPM' (BPM (beats per minute))                     '121.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-instrumental'
'TDRC' (Recording time)                             '1905-03'
'TIT2' (Title/songname/content description)         'Dixie'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '137000'
'TPE1' (Lead performer(s)/Soloist(s))               "Arthur Pryor'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', 'jazz', 'ragtime']
'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'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.559983'

========================== row from database ==========================
                                              'id'  1502746
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1905/Arthur Pryor_s Band - Dixie -3-1905.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  137
                                           'genre'  prerock-instrumental
                                        'filesize'  2916793
                                           'mtime'  1642082541
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1905 Pryor_s 1905 prerock instrumental
                                      'tag_artist'  Arthur Pryor's Band
                                     'tag_release'  Victor  4350
                                       'tag_title'  Dixie
                                             'bpm'  121.5
                                    'search_title'  'dixie':1
                                   'search_artist'  'arthur':1 'band':5 'pryor':2 'pryors':4 's':3
                                  'search_release'  '4350':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1905':6 'country':4 'exotica':2 'instrumental':10 'jazz':1 'oldies':3 'prerock':9 'pryor':7 's':8
                                    'search_combo'  '00oldiepop':13 '1905':14 '4350':8C 'arthur':2B 'band':6B 'country':12 'dixie':1A 'exotica':10 'instrumental':18 'jazz':9 'oldies':11 'prerock':17 'pryor':3B,15 'pryors':5B 's':4B,16 'victor':7C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', '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']
                                      'lastfmtags'  ['all', 'jazz', 'ragtime']
                                        'tag_date'  1905
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642082541.0011015  (2022-01-13 15:02:21)
                             'size'  2916793