======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '160'
                                          'artist'  'Zez Confrey'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Love Her - She Loves Me (Orchestra)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1301fh', 'ragtime', 'jazz', 'piano', 'classical']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1922'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '104.1'
                                             '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'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '104.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1922'
'TIT2' (Title/songname/content description)         'I Love Her - She Loves Me (Orchestra)'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '160000'
'TPE1' (Lead performer(s)/Soloist(s))               'Zez Confrey'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['1301fh', 'ragtime', 'jazz', 'piano', 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.823267'

========================== row from database ==========================
                                              'id'  1468721
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1922/Zez Confrey - I Love Her She Loves Me (Orchestra) 1922.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  160
                                           'genre'  prerock-ragtime
                                        'filesize'  4046575
                                           'mtime'  1620527199
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1922 1922 prerock ragtime
                                      'tag_artist'  Zez Confrey
                                     'tag_release'  None
                                       'tag_title'  I Love Her - She Loves Me (Orchestra)
                                             'bpm'  104.1
                                    'search_title'  'her':3 'i':1 'love':2 'loves':5 'me':6 'orchestra':7,8 'she':4
                                   'search_artist'  'confrey':2 'zez':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1922':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'ragtime':8
                                    'search_combo'  '00oldiepop':15 '1922':16 'confrey':10B 'country':14 'exotica':12 'her':3A 'i':1A 'jazz':11 'love':2A 'loves':5A 'me':6A 'oldies':13 'orchestra':7A,8A 'prerock':17 'ragtime':18 'she':4A 'zez':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['1301fh', 'ragtime', 'jazz', 'piano', 'classical']
                                        'tag_date'  1922
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620527199.3856514  (2021-05-09 04:26:39)
                             'size'  4046575