======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '184'
                                          'artist'  'Al Bowlly '
                                     'text_people'  ''
                                         'release'  'Al Bowlly'
                                           'title'  'try 2 forget'
                                           '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-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '30s', 'oldies', 'crooner', 'pop', '1930s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '140.433'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Al Bowlly'
'TBPM' (BPM (beats per minute))                     '140.433'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'try 2 forget'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Bowlly '
'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'                                   ['jazz', '30s', 'oldies', 'crooner', 'pop', '1930s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.708013'

========================== row from database ==========================
                                              'id'  1152382
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Carroll Gibbons Orch, Al Bowlly - Try To Forget.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  184
                                           'genre'  prerock-vocal
                                        'filesize'  2967552
                                           'mtime'  1620666349
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular Carroll Gibbons Orch, Try To Forget prerock vocal
                                      'tag_artist'  Al Bowlly 
                                     'tag_release'  Al Bowlly
                                       'tag_title'  try 2 forget
                                             'bpm'  140.433
                                    'search_title'  '2':2 'forget':3 'try':1
                                   'search_artist'  'al':1 'bowlly':2
                                  'search_release'  'al':1 'bowlly':2
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 'and':7 'carroll':10 'country':4 'exotica':2 'forget':16 'gibbons':11 'jazz':1 'oldies':3 'orch':12,13 'popular':9 'prerock':17 'to':15 'try':14 'vocal':18
                                    'search_combo'  '00oldiepop':12 '1920s':13 '1930s':15 '2':2A 'al':4B,6C 'and':14 'bowlly':5B,7C 'carroll':17 'country':11 'exotica':9 'forget':3A,23 'gibbons':18 'jazz':8 'oldies':10 'orch':19,20 'popular':16 'prerock':24 'to':22 'try':1A,21 'vocal':25
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '30s', 'oldies', 'crooner', 'pop', '1930s']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666348.710345  (2021-05-10 19:05:48)
                             'size'  2967552