======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Gene Autry'
                                     'text_people'  ''
                                         'release'  ('Gene Autry Sings The Original: Rudolph The Red-Nosed Reindeer & Other '
 'Christmas Favorites')
                                           'title'  'Rudolph The Red-Nosed Reindeer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['classic country', 'oldies', 'country', 'early country', 'male vocalists', "
 "'christmas']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '368'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '130.819'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     ('Gene Autry Sings The Original: Rudolph The Red-Nosed Reindeer & Other '
 'Christmas Favorites')
'TBPM' (BPM (beats per minute))                     '130.819'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Rudolph The Red-Nosed Reindeer'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gene Autry'
'TPUB' (Publisher)                                  'Varese'
'TRCK' (Track number/Position in set)               '368'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic country',
 'oldies',
 'country',
 'early country',
 'male vocalists',
 'christmas']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.55 dB'
'TXXX:replaygain_track_peak'                        '0.499746'

========================== row from database ==========================
                                              'id'  1449402
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-368 - Gene Autry - Rudolph The Red-Nosed Reindeer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  prerock-unsorted
                                        'filesize'  7155084
                                           'mtime'  1621698341
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 368 prerock unsorted
                                      'tag_artist'  Gene Autry
                                     'tag_release'  Gene Autry Sings The Original: Rudolph The Red-Nosed Reindeer & Other Christmas Favorites
                                       'tag_title'  Rudolph The Red-Nosed Reindeer
                                             'bpm'  130.819
                                    'search_title'  'nosed':4 'red':3 'rednosed':5 'reindeer':6 'rudolph':1 'the':2
                                   'search_artist'  'autry':2 'gene':1
                                  'search_release'  'autry':2 'christmas':13 'favorites':14 'gene':1 'nosed':9 'original':5,6 'other':12 'red':8 'rednosed':10 'reindeer':11 'rudolph':7 'sings':3 'the':4
                                     'search_rest'  '00oldiepop':5 '1957':6 '368':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':27 '1957':28 '368':30 '57':29 'autry':8B,10C 'christmas':21C 'country':26 'exotica':24 'favorites':22C 'gene':7B,9C 'jazz':23 'nosed':4A,17C 'oldies':25 'original':13C,14C 'other':20C 'prerock':31 'red':3A,16C 'rednosed':5A,18C 'reindeer':6A,19C 'rudolph':1A,15C 'sings':11C 'the':2A,12C 'unsorted':32
                                    'tag_tracknum'  368
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['classic country', 'oldies', 'country', 'early country', 'male vocalists', 'christmas']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698340.5492983  (2021-05-22 17:45:40)
                             'size'  7155084