======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '243'
                                          'artist'  'Elizabeth Spencer & John Young'
                                     'text_people'  ''
                                         'release'  'Edison Amberol   756'
                                           'title'  "For Every Boy Who's Lonely There's A Girl Who's Lonely Too"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1911'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '92.1'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison Amberol   756'
'TBPM' (BPM (beats per minute))                     '92.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1911'
'TIT2' (Title/songname/content description)         "For Every Boy Who's Lonely There's A Girl Who's Lonely Too"
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '243000'
'TPE1' (Lead performer(s)/Soloist(s))               'Elizabeth Spencer & John Young'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.531052'

========================== row from database ==========================
                                              'id'  1499778
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1911/Elizabeth Spencer & John Young - For Every Boy Who_s Lonely There_s A Girl Who_s Lonely Too 1911.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  243
                                           'genre'  prerock-vocal
                                        'filesize'  4933624
                                           'mtime'  1620666091
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1911 Who_s There_s Who_s 1911 prerock vocal
                                      'tag_artist'  Elizabeth Spencer & John Young
                                     'tag_release'  Edison Amberol   756
                                       'tag_title'  For Every Boy Who's Lonely There's A Girl Who's Lonely Too
                                             'bpm'  92.1
                                    'search_title'  'a':11 'boy':3 'every':2 'for':1 'girl':12 'lonely':7 's':5,9 'there':8 'theres':10 'too':13 'who':4 'whos':6
                                   'search_artist'  'elizabeth':1 'john':3 'spencer':2 'young':4
                                  'search_release'  '756':3 'amberol':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1911':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':8,10 'there':9 'vocal':12 'who':7
                                    'search_combo'  '00oldiepop':25 '1911':26 '756':20C 'a':11A 'amberol':19C 'boy':3A 'country':24 'edison':18C 'elizabeth':14B 'every':2A 'exotica':22 'for':1A 'girl':12A 'jazz':21 'john':16B 'lonely':7A 'oldies':23 'prerock':31 's':5A,9A,28,30 'spencer':15B 'there':8A,29 'theres':10A 'too':13A 'vocal':32 'who':4A,27 'whos':6A 'young':17B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1911
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666090.7109935  (2021-05-10 19:01:30)
                             'size'  4933624