======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Artie Shaw, V=Tony Pastor'
                                     'text_people'  ''
                                         'release'  '1920s and 1930s popular'
                                           'title'  'Alibi Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '91.639'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:5\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'5\x10\x00\x00')
'PRIV:PeakValue:û\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfb\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '1920s and 1930s popular'
'TBPM' (BPM (beats per minute))                     '91.639'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         'Alibi Baby'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Artie Shaw, V=Tony Pastor'
'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-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'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-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.74 dB'
'TXXX:replaygain_track_peak'                        '0.499937'

========================== row from database ==========================
                                              'id'  1150376
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Artie Shaw, V=Tony Pastor - Alibi Baby (1937).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2711229
                                           'mtime'  1620524248
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop (1937) prerock jb jazz unsorted
                                      'tag_artist'  Artie Shaw, V=Tony Pastor
                                     'tag_release'  1920s and 1930s popular
                                       'tag_title'  Alibi Baby
                                             'bpm'  91.639
                                    'search_title'  'alibi':1 'baby':2
                                   'search_artist'  'artie':1 'pastor':6 'shaw':2,3 'tony':5 'v':4
                                  'search_release'  '1920s':1 '1930s':3 'and':2 'popular':4
                                     'search_rest'  '00oldiepop':5 '1937':6,7 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 'unsorted':10
                                    'search_combo'  '00oldiepop':17 '1920s':9C '1930s':11C '1937':18,19 'alibi':1A 'and':10C 'artie':3B 'baby':2A 'country':16 'exotica':14 'jazz':13 'jb':21 'oldies':15 'pastor':8B 'popular':12C 'prerock':20 'shaw':4B,5B 'tony':7B 'unsorted':22 'v':6B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-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-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1937
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524248.0407567  (2021-05-09 03:37:28)
                             'size'  2711229