======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '178'
                                          'artist'  "Rudy Wiedoeft's Palace Trio"
                                     'text_people'  ''
                                         'release'  'Brunswick  2034'
                                           'title'  'Desert Dreams -1-1920 Brunswick'
                                           '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-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', '1920s', 'novelty', 'ragtime', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1920'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '127.5'
                                             'key'  '6A'
                                        '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)                     'Brunswick  2034'
'TBPM' (BPM (beats per minute))                     '127.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1920'
'TIT2' (Title/songname/content description)         'Desert Dreams -1-1920 Brunswick'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Rudy Wiedoeft's Palace Trio"
'TPOS' (Part of a set)                              '2'
'TPUB' (Publisher)                                  'Decca Jazz'
'TRCK' (Track number/Position in set)               '15'
'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'                                   ['instrumental', '1920s', 'novelty', 'ragtime', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'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'                        '+0.08 dB'
'TXXX:replaygain_track_peak'                        '0.557608'

========================== row from database ==========================
                                              'id'  1515480
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920/Rudy Wiedoeft_s Palace Trio - Desert Dreams -1-1920 Brunswick.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  178
                                           'genre'  prerock-ragtime
                                        'filesize'  3000442
                                           'mtime'  1620526990
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Wiedoeft_s prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft's Palace Trio
                                     'tag_release'  Brunswick  2034
                                       'tag_title'  Desert Dreams -1-1920 Brunswick
                                             'bpm'  127.5
                                    'search_title'  '1':3 '11920':5 '1920':4 'brunswick':6 'desert':1 'dreams':2
                                   'search_artist'  'palace':5 'rudy':1 's':3 'trio':6 'wiedoeft':2 'wiedoefts':4
                                  'search_release'  '2034':2 'brunswick':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'ragtime':9 's':7 'wiedoeft':6
                                    'search_combo'  '00oldiepop':19 '1':3A '11920':5A '1920':4A '2034':14C 'brunswick':6A,13C 'country':18 'desert':1A 'dreams':2A 'exotica':16 'jazz':15 'oldies':17 'palace':11B 'prerock':22 'ragtime':23 'rudy':7B 's':9B,21 'trio':12B 'wiedoeft':8B,20 'wiedoefts':10B
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             '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-2']
                                      'lastfmtags'  ['instrumental', '1920s', 'novelty', 'ragtime', 'pop']
                                        'tag_date'  1920
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620526989.8733356  (2021-05-09 04:23:09)
                             'size'  3000442