======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '229'
                                          'artist'  'Rival Sons'
                                     'text_people'  ''
                                         'release'  'Before The Fire'
                                           'title'  'Memphis Sun'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '144.130'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Before The Fire'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-pop-early-blues', 'rock-cppex']
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Memphis Sun'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rival Sons'
'TPE2' (Band/orchestra/accompaniment)               'Rival Sons'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.51 dB'
'TXXX:replaygain_track_peak'                        '0.308591'

========================== row from database ==========================
                                              'id'  1413955
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Rival Sons/Before The Fire/03 memphis sun.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  229
                                           'genre'  rock-cppex-classic;rock-pop-early-blues;rock-cppex
                                        'filesize'  9275274
                                           'mtime'  1636038831
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 03 memphis sun rock cppex classic;rock pop early blues;rock cppex
                                      'tag_artist'  Rival Sons
                                     'tag_release'  Before The Fire
                                       'tag_title'  Memphis Sun
                                             'bpm'  144.13
                                    'search_title'  'memphis':1 'sun':2
                                   'search_artist'  'rival':1 'sons':2
                                  'search_release'  'before':1 'fire':3 'the':2
                                     'search_rest'  'blues':12,14 'classic':6,8 'classicprogpsy':1 'cppex':5 'early':11 'memphis':2 'pop':10 'rock':4,7,9,13,15 'sun':3
                                    'search_combo'  'before':5C 'blues':19,21 'classic':13,15 'classicprogpsy':8 'cppex':12 'early':18 'fire':7C 'memphis':1A,9 'pop':17 'rival':3B 'rock':11,14,16,20,22 'sons':4B 'sun':2A,10 'the':6C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'classic rock', 'blues', 'hard rock', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636038830.8788378  (2021-11-04 16:13:50)
                             'size'  9275274