======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '374'
                                          'artist'  'Thealonian Music'
                                     'text_people'  ''
                                         'release'  'You'
                                           'title'  'Lolita s'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['new wave', 'experimental', 'australian', 'minimal', 'atonal']"
                                     'discogstags'  "['electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-you'
                                             'bpm'  '141.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover (front)'                                type PictureType.COVER_FRONT (Cover (front)) b'Cover (front)'
                                     
'TALB' (Album/Movie/Show title)                     'You'
'TBPM' (BPM (beats per minute))                     '141.7'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-you'
'TIT2' (Title/songname/content description)         'Lolita s'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Thealonian Music'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'experimental']
'TXXX:lastfmtags'                                   ['new wave', 'experimental', 'australian', 'minimal', 'atonal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.41 dB'
'TXXX:replaygain_track_peak'                        '0.570649'

========================== row from database ==========================
                                              'id'  760935
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/You/Thealonian Music - Lolita_s.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  374
                                           'genre'  set-pl-you
                                        'filesize'  9005803
                                           'mtime'  1620356241
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes Lolita_s set pl you
                                      'tag_artist'  Thealonian Music
                                     'tag_release'  You
                                       'tag_title'  Lolita s
                                             'bpm'  141.7
                                    'search_title'  'lolita':1 's':2
                                   'search_artist'  'music':2 'thealonian':1
                                  'search_release'  'you':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'lolita':4 'pl':7 's':5 'set':6 'themes':3 'you':8
                                    'search_combo'  '0novelty':7 '0playlists':6 'lolita':1A,9 'music':4B 'pl':12 's':2A,10 'set':11 'thealonian':3B 'themes':8 'you':5C,13
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'experimental', 'australian', 'minimal', 'atonal']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'experimental']

============================== file details ==============================
                                           'mtime'  1620356241.121187  (2021-05-07 04:57:21)
                             'size'  9005803