======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '181'
                                          'artist'  'Ozzie Nelson Orch.'
                                     'text_people'  ''
                                         'release'  'Ozzie Nelson'
                                           'title'  "YOU'RE NOT THE ONLY OYSTER IN THE SEA"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', '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'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '117.603'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ozzie Nelson'
'TBPM' (BPM (beats per minute))                     '117.603'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "YOU'RE NOT THE ONLY OYSTER IN THE SEA"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '181293'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozzie Nelson Orch.'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'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'                        '+3.06 dB'
'TXXX:replaygain_track_peak'                        '0.598372'

========================== row from database ==========================
                                              'id'  1515727
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1920s and 1930s popular/Ozzie Nelson Orch (Ozzie Nelson vocal) - You_re Not The Only Oyster In The Stew.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  181
                                           'genre'  prerock-swing
                                        'filesize'  2920833
                                           'mtime'  1620559699
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1920s and 1930s popular (Ozzie vocal) You_re Not The Only Oyster In The Stew prerock swing
                                      'tag_artist'  Ozzie Nelson Orch.
                                     'tag_release'  Ozzie Nelson
                                       'tag_title'  YOU'RE NOT THE ONLY OYSTER IN THE SEA
                                             'bpm'  117.603
                                    'search_title'  'in':8 'not':4 'only':6 'oyster':7 're':2 'sea':9 'the':5 'you':1 'youre':3
                                   'search_artist'  'nelson':2 'orch':3,4 'ozzie':1
                                  'search_release'  'nelson':2 'ozzie':1
                                     'search_rest'  '00oldiepop':5 '1920s':6 '1930s':8 'and':7 'country':4 'exotica':2 'in':20 'jazz':1 'not':16 'oldies':3 'only':18 'oyster':19 'ozzie':10,11 'popular':9 'prerock':22 're':15 'stew':21 'swing':23 'the':17 'vocal':12,13 'you':14
                                    'search_combo'  '00oldiepop':20 '1920s':21 '1930s':23 'and':22 'country':19 'exotica':17 'in':8A,35 'jazz':16 'nelson':11B,15C 'not':4A,31 'oldies':18 'only':6A,33 'orch':12B,13B 'oyster':7A,34 'ozzie':10B,14C,25,26 'popular':24 'prerock':37 're':2A,30 'sea':9A 'stew':36 'swing':38 'the':5A,32 'vocal':27,28 'you':1A,29 'youre':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-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'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559699.0636485  (2021-05-09 13:28:19)
                             'size'  2920833