======================== unified (from filesystem) ========================
                                         'bitrate'  '217.564'
                                        'duration'  '247'
                                          'artist'  'Secret Mommy'
                                     'text_people'  ''
                                         'release'  'Plays'
                                           'title'  'String lake'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-4', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch pop', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch'
                                             'bpm'  '121.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000011B 00000118 0000093E 00000E8F 00033322 00033322 00007D3A 00006DCD '
 '00018611 0001863F')
'TALB' (Album/Movie/Show title)                     'Plays'
'TBPM' (BPM (beats per minute))                     '121.6'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-glitch-breakcore',
 'electronic-unsorted',
 'electronic-unsorted',
 'electronic-experimental-glitch']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'String lake'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Secret Mommy'
'TRCK' (Track number/Position in set)               '1'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'glitch pop', 'glitch', 'idm', 'electronic', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.47 dB'
'TXXX:replaygain_track_peak'                        '0.877138'

========================== row from database ==========================
                                              'id'  650990
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/secret mommy - plays (ache 030, 2007)/secret mommy - 01 - string lake.mp3
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  247
                                           'genre'  electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch
                                        'filesize'  6722145
                                           'mtime'  1620545228
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm secret mommy plays (ache 030, 2007) secret mommy 01 string electronic experimental glitch breakcore;electronic unsorted;electronic experimental glitch
                                      'tag_artist'  Secret Mommy
                                     'tag_release'  Plays
                                       'tag_title'  String lake
                                             'bpm'  121.6
                                    'search_title'  'lake':2 'string':1
                                   'search_artist'  'mommy':2 'secret':1
                                  'search_release'  'plays':1
                                     'search_rest'  '030':6,7 '2007':8,9 'ache':4,5 'breakcore':14,16 'electronic':11,15,17,19,21 'experimental':12 'glitch':13 'mommy':2 'plays':3 'secret':1 'string':10 'unsorted':18,20
                                    'search_combo'  '030':11,12 '2007':13,14 'ache':9,10 'breakcore':19,21 'electronic':16,20,22,24,26 'experimental':17 'glitch':18 'lake':2A 'mommy':4B,7 'plays':5C,8 'secret':3B,6 'string':1A,15 'unsorted':23,25
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'glitch pop', 'glitch', 'idm', 'electronic', 'experimental']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620545228.129858  (2021-05-09 09:27:08)
                             'size'  6722145