======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '222'
                                          'artist'  'Stevie Wonder'
                                     'text_people'  ''
                                         'release'  'Song Review - A Greatest Hits Collection'
                                           'title'  'Part-Time Lover'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'motown', 'soul', 'funk', 'rnb']"
                                     'discogstags'  "['funk / soul', 'rhythm & blues', 'soul', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '87.257'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Song Review - A Greatest Hits Collection'
'TBPM' (BPM (beats per minute))                     '87.257'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Part-Time Lover'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Stevie Wonder'
'TPUB' (Publisher)                                  'Motown'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'rhythm & blues', 'soul', 'disco']
'TXXX:lastfmtags'                                   ['pop', 'motown', 'soul', 'funk', 'rnb']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.435577'

========================== row from database ==========================
                                              'id'  1321883
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/274-A Stevie Wonder - Part-Time Lover (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  222
                                           'genre'  set-pl-billboard
                                        'filesize'  8934809
                                           'mtime'  1652397860
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 274 (single version) set pl billboard
                                      'tag_artist'  Stevie Wonder
                                     'tag_release'  Song Review - A Greatest Hits Collection
                                       'tag_title'  Part-Time Lover
                                             'bpm'  87.257
                                    'search_title'  'lover':4 'part':1 'parttime':3 'time':2
                                   'search_artist'  'stevie':1 'wonder':2
                                  'search_release'  'a':3 'collection':6 'greatest':4 'hits':5 'review':2 'song':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '274':4 'billboard':11 'complete':3 'pl':10 'set':9 'single':5,6 'version':7,8
                                    'search_combo'  '00poprockelectronic':13 '1985':14 '274':16 'a':9C 'billboard':23 'collection':12C 'complete':15 'greatest':10C 'hits':11C 'lover':4A 'part':1A 'parttime':3A 'pl':22 'review':8C 'set':21 'single':17,18 'song':7C 'stevie':5B 'time':2A 'version':19,20 'wonder':6B
                                    'tag_tracknum'  22
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']
                                      'lastfmtags'  ['pop', 'motown', 'soul', 'funk', 'rnb']
                                        'tag_date'  1985
                                     'discogstags'  ['funk / soul', 'rhythm & blues', 'soul', 'disco']

============================== file details ==============================
                                           'mtime'  1652397859.5690103  (2022-05-13 01:24:19)
                             'size'  8934809