======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '163'
                                          'artist'  "Bennie Moten's Kansas City Orchestra"
                                     'text_people'  ''
                                         'release'  '1920s and 1930s popular'
                                           'title'  'Lafayette'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '144.748'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:õ\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xf5\x10\x00\x00')
'PRIV:PeakValue:Ð\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xd0\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '1920s and 1930s popular'
'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'Lafayette'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "Bennie Moten's Kansas City Orchestra"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.593759'

========================== row from database ==========================
                                              'id'  1505800
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Bennie Moten_s Kansas City Orchestra - Lafayette.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  163
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2301253
                                           'mtime'  1620524309
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Moten_s prerock jb jazz unsorted
                                      'tag_artist'  Bennie Moten's Kansas City Orchestra
                                     'tag_release'  1920s and 1930s popular
                                       'tag_title'  Lafayette
                                             'bpm'  144.748
                                    'search_title'  'lafayette':1
                                   'search_artist'  'bennie':1 'city':6 'kansas':5 'moten':2 'motens':4 'orchestra':7 's':3
                                  'search_release'  '1920s':1 '1930s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'jb':9 'moten':6 'oldies':3 'prerock':8 's':7 'unsorted':10
                                    'search_combo'  '00oldiepop':17 '1920s':9C '1930s':11C 'and':10C 'bennie':2B 'city':7B 'country':16 'exotica':14 'jazz':13 'jb':21 'kansas':6B 'lafayette':1A 'moten':3B,18 'motens':5B 'oldies':15 'orchestra':8B 'popular':12C 'prerock':20 's':4B,19 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['new orleans jazz', 'big band', 'jazz', 'dixieland', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524308.9790816  (2021-05-09 03:38:28)
                             'size'  2301253