======================== unified (from filesystem) ========================
                                         'bitrate'  '209.58'
                                        'duration'  '250'
                                          'artist'  'Secret Mommy'
                                     'text_people'  ''
                                         'release'  'Plays'
                                           'title'  'Plays'
                                           '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-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch pop', 'glitch', 'idm', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch'
                                             'bpm'  '138.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000388 000002B7 00000EF3 00000DD6 00006D0A 00006D0A 00008000 00007E4E '
 '0002BEAD 0002BEAD')
'TALB' (Album/Movie/Show title)                     'Plays'
'TBPM' (BPM (beats per minute))                     '138.0'
'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)         'Plays'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Secret Mommy'
'TRCK' (Track number/Position in set)               '8'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.20 dB'
'TXXX:replaygain_track_peak'                        '0.862700'

========================== row from database ==========================
                                              'id'  650718
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/secret mommy - plays (ache 030, 2007)/secret mommy - 08 - plays.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  250
                                           'genre'  electronic-experimental-glitch-breakcore;electronic-unsorted;electronic-experimental-glitch
                                        'filesize'  6573430
                                           'mtime'  1620545230
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm secret mommy plays (ache 030, 2007) secret mommy 08 plays electronic experimental glitch breakcore;electronic unsorted;electronic experimental glitch
                                      'tag_artist'  Secret Mommy
                                     'tag_release'  Plays
                                       'tag_title'  Plays
                                             'bpm'  138.0
                                    'search_title'  'plays':1
                                   'search_artist'  'mommy':2 'secret':1
                                  'search_release'  'plays':1
                                     'search_rest'  '030':6,7 '2007':8,9 'ache':4,5 'breakcore':13,15 'electronic':10,14,16,18,20 'experimental':11 'glitch':12 'mommy':2 'plays':3 'secret':1 'unsorted':17,19
                                    'search_combo'  '030':10,11 '2007':12,13 'ache':8,9 'breakcore':17,19 'electronic':14,18,20,22,24 'experimental':15 'glitch':16 'mommy':3B,6 'plays':1A,4C,7 'secret':2B,5 'unsorted':21,23
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8B
                                           '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-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'  1620545229.841175  (2021-05-09 09:27:09)
                             'size'  6573430