======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '102'
                                          'artist'  'Copycat Massacre'
                                     'text_people'  ''
                                         'release'  'ercassaM tacypoC'
                                           'title'  'Floating Skulls'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-4', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '142.3'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:/\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'/\x1c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'ercassaM tacypoC'
'TBPM' (BPM (beats per minute))                     '142.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Floating Skulls'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Copycat Massacre'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '4'
'TXXX:lastfmtags'                                   ['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.46 dB'
'TXXX:replaygain_track_peak'                        '0.392658'

========================== row from database ==========================
                                              'id'  722423
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/copycat massacre - satchmo and the copycat massacre (ercassam tacypoc)/09 - Copycat Massacre - Floating Skull.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  102
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  2051641
                                           'mtime'  1621638087
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm copycat massacre satchmo and the copycat massacre (ercassam tacypoc) 09 electronic experimental glitch breakcore
                                      'tag_artist'  Copycat Massacre
                                     'tag_release'  ercassaM tacypoC
                                       'tag_title'  Floating Skulls
                                             'bpm'  142.3
                                    'search_title'  'floating':1 'skulls':2
                                   'search_artist'  'copycat':1 'massacre':2
                                  'search_release'  'c':6 'ercassa':3 'ercassam':1 'm':4 'tacypo':5 'tacypoc':2
                                     'search_rest'  'and':4 'breakcore':13 'copycat':1 'electronic':10 'ercassam':6,7 'experimental':11 'glitch':12 'massacre':2 'satchmo':3 'tacypoc':8,9 'the':5
                                    'search_combo'  'and':14 'breakcore':23 'c':10C 'copycat':3B,11 'electronic':20 'ercassa':7C 'ercassam':5C,16,17 'experimental':21 'floating':1A 'glitch':22 'm':8C 'massacre':4B,12 'satchmo':13 'skulls':2A 'tacypo':9C 'tacypoc':6C,18,19 'the':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-4', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['soundtrack', 'punk', 'experimental', 'psychedelic', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621638086.6972818  (2021-05-22 01:01:26)
                             'size'  2051641