======================== unified (from filesystem) ========================
                                         'bitrate'  '191.999'
                                        'duration'  '6'
                                          'artist'  'dj nes'
                                     'text_people'  ''
                                         'release'  'the adventures of... dj nes'
                                           'title'  'intro'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['8 bit', 'electronic', 'hip hop', 'nintendo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '121.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:É\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'\xc9\r\x00\x00')
'PRIV:PeakValue:±N\x00\x00'                         PRIV(owner='PeakValue', data=b'\xb1N\x00\x00')
'TALB' (Album/Movie/Show title)                     'the adventures of... dj nes'
'TBPM' (BPM (beats per minute))                     '121.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'intro'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'dj nes'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['8 bit', 'electronic', 'hip hop', 'nintendo']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.516990'

========================== row from database ==========================
                                              'id'  1355824
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/DJ NES/The Adventures of... DJ NES/dj nes - 01 - intro.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  6
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  157578
                                           'mtime'  1676046503
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy DJ NES The Adventures DJ NES 01 electronic we beeps or chip or pico
                                      'tag_artist'  dj nes
                                     'tag_release'  the adventures of... dj nes
                                       'tag_title'  intro
                                             'bpm'  121.3
                                    'search_title'  'intro':1
                                   'search_artist'  'dj':1 'nes':2
                                  'search_release'  'adventures':2 'dj':5 'nes':6 'of':3,4 'the':1
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 'adventures':6 'beeps':9 'chip':11 'dj':3 'electronic':7 'nes':4 'or':10 'pico':12 'the':5 'we':8
                                    'search_combo'  '00beepy':11 '00poprockelectronic':10 'adventures':5C,15 'beeps':18 'chip':20 'dj':2B,8C,12 'electronic':16 'intro':1A 'nes':3B,9C,13 'of':6C,7C 'or':19 'pico':21 'the':4C,14 'we':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['8 bit', 'electronic', 'hip hop', 'nintendo']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676046503.467621  (2023-02-10 17:28:23)
                             'size'  157578