======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Hildegarde & Guy Lombardo'
                                     'text_people'  ''
                                         'release'  '1920s and 1930s popular'
                                           'title'  'The Gypsy'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '123.406'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:L\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'L\x11\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     '1920s and 1930s popular'
'TBPM' (BPM (beats per minute))                     '123.406'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         'The Gypsy'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '193313'
'TPE1' (Lead performer(s)/Soloist(s))               'Hildegarde & Guy Lombardo'
'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: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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.507849'

========================== row from database ==========================
                                              'id'  1153728
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Guy Lombardo & his royal canadians, Hildegarde - The Gypsy 1946.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3146677
                                           'mtime'  1620524579
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop his royal canadians, 1946 prerock jb jazz unsorted
                                      'tag_artist'  Hildegarde & Guy Lombardo
                                     'tag_release'  1920s and 1930s popular
                                       'tag_title'  The Gypsy
                                             'bpm'  123.406
                                    'search_title'  'gypsy':2 'the':1
                                   'search_artist'  'guy':2 'hildegarde':1 'lombardo':3
                                  'search_release'  '1920s':1 '1930s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1946':10 'canadians':8,9 'country':4 'exotica':2 'his':6 'jazz':1 'jb':12 'oldies':3 'prerock':11 'royal':7 'unsorted':13
                                    'search_combo'  '00oldiepop':14 '1920s':6C '1930s':8C '1946':19 'and':7C 'canadians':17,18 'country':13 'exotica':11 'guy':4B 'gypsy':2A 'hildegarde':3B 'his':15 'jazz':10 'jb':21 'lombardo':5B 'oldies':12 'popular':9C 'prerock':20 'royal':16 'the':1A 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524578.6709723  (2021-05-09 03:42:58)
                             'size'  3146677