======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '232'
                                          'artist'  'Lyre Le Temps'
                                     'text_people'  ''
                                         'release'  'Betty Boop presents Electro Swing'
                                           'title'  'Lady Swing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'electro swing', 'electronic', 'swing']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  'VA - Betty Boop presents Electro Swing (2012) MP3 @ 320Kbps'
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '100.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Betty Boop presents Electro Swing'
'TBPM' (BPM (beats per minute))                     '100.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TCOP' (Copyright message)                          'Edel'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Lady Swing'
'TIT3' (Subtitle/Description refinement)            'VA - Betty Boop presents Electro Swing (2012) MP3 @ 320Kbps'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lyre Le Temps'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['jazz', 'electro swing', 'electronic', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+14.86 dB'
'TXXX:replaygain_track_peak'                        '0.081204'

========================== row from database ==========================
                                              'id'  1328138
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/new fashion/BBES/17. Lyre Le Temps - Lady Swing.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  232
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  10617370
                                           'mtime'  1636911173
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip new fashion BBES 17. electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Lyre Le Temps
                                     'tag_release'  Betty Boop presents Electro Swing
                                       'tag_title'  Lady Swing
                                             'bpm'  100.0
                                    'search_title'  'lady':1 'swing':2
                                   'search_artist'  'le':2 'lyre':1 'temps':3
                                  'search_release'  'betty':1 'boop':2 'electro':4 'presents':3 'swing':5
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '17':6,7 'acid':13 'bbes':5 'downtempo':12 'electronic':8 'fashion':4 'hop':10 'jazz':14 'new':3 'or':11 'trip':9
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 '17':16,17 'acid':23 'bbes':15 'betty':6C 'boop':7C 'downtempo':22 'electro':9C 'electronic':18 'fashion':14 'hop':20 'jazz':24 'lady':1A 'le':4B 'lyre':3B 'new':13 'or':21 'presents':8C 'swing':2A,10C 'temps':5B 'trip':19
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'electro swing', 'electronic', 'swing']
                                        'tag_date'  2012
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1636911173.0113814  (2021-11-14 18:32:53)
                             'size'  10617370