======================== unified (from filesystem) ========================
                                         'bitrate'  '164.8'
                                        'duration'  '247'
                                          'artist'  'Secret Mommy'
                                     'text_people'  ''
                                         'release'  'Plays'
                                           'title'  'Kool Aid river'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch pop', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch'
                                             'bpm'  '103.3'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000546 00000537 0000160E 000015A8 0000B9E0 0000B9E0 00006804 00006A8E '
 '00032B19 00037913')
'TALB' (Album/Movie/Show title)                     'Plays'
'TBPM' (BPM (beats per minute))                     '103.3'
'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)         'Kool Aid river'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Secret Mommy'
'TRCK' (Track number/Position in set)               '4'
'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'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.34 dB'
'TXXX:replaygain_track_peak'                        '0.740841'

========================== row from database ==========================
                                              'id'  650762
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/secret mommy - plays (ache 030, 2007)/secret mommy - 04 - kool aid river.mp3
                                         'working'  None
                                         'bitrate'  164
                                    'duration_sec'  247
                                           'genre'  electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch
                                        'filesize'  5102687
                                           'mtime'  1620545229
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm secret mommy plays (ache 030, 2007) secret mommy 04 kool aid electronic experimental glitch breakcore;electronic unsorted;electronic experimental glitch
                                      'tag_artist'  Secret Mommy
                                     'tag_release'  Plays
                                       'tag_title'  Kool Aid river
                                             'bpm'  103.3
                                    'search_title'  'aid':2 'kool':1 'river':3
                                   'search_artist'  'mommy':2 'secret':1
                                  'search_release'  'plays':1
                                     'search_rest'  '030':6,7 '2007':8,9 'ache':4,5 'aid':11 'breakcore':15,17 'electronic':12,16,18,20,22 'experimental':13 'glitch':14 'kool':10 'mommy':2 'plays':3 'secret':1 'unsorted':19,21
                                    'search_combo'  '030':12,13 '2007':14,15 'ache':10,11 'aid':2A,17 'breakcore':21,23 'electronic':18,22,24,26,28 'experimental':19 'glitch':20 'kool':1A,16 'mommy':5B,8 'plays':6C,9 'river':3A 'secret':4B,7 'unsorted':25,27
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', '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'  1620545228.6996922  (2021-05-09 09:27:08)
                             'size'  5102687