======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '116'
                                          'artist'  'Fujitsu'
                                     'text_people'  ''
                                         'release'  'Corals'
                                           'title'  'Reefs'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['lofi', 'beats', 'instrumental hip hop', 'hip hop', 'chill']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  '79'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '148'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     'Corals'
'TBPM' (BPM (beats per minute))                     '148'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TCOP' (Copyright message)                          '2017 Chillhop Records'
'TDRC' (Recording time)                             '2017-07-19'
'TIT2' (Title/songname/content description)         'Reefs'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '116'
'TPE1' (Lead performer(s)/Soloist(s))               'Fujitsu'
'TPE2' (Band/orchestra/accompaniment)               'Fujitsu'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '28/79'
'TSRC' (ISRC (international standard recording code))  'TCADD1780422'
'TXXX:BARCODE'                                      '859721779319'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lofi', 'beats', 'instrumental hip hop', 'hip hop', 'chill']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+14.57 dB'
'TXXX:replaygain_track_peak'                        '0.107768'

========================== row from database ==========================
                                              'id'  1294792
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/28 - Fujitsu - Reefs.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  116
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  4908844
                                           'mtime'  1620611411
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi lo fi chill 28 hip hop rnb rap turntablism chillhop
                                      'tag_artist'  Fujitsu
                                     'tag_release'  Corals
                                       'tag_title'  Reefs
                                             'bpm'  148.0
                                    'search_title'  'reefs':1
                                   'search_artist'  'fujitsu':1
                                  'search_release'  'corals':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '28':9 'chill':8 'chillhop':15 'disco':3 'fi':7 'hip':10 'hop':11 'lo':6 'lofi':5 'rap':13 'rnb':12 'turntablism':14 'waves':2
                                    'search_combo'  '00poprockelectronic':4 '00synthwave':7 '28':12 'chill':11 'chillhop':18 'corals':3C 'disco':6 'fi':10 'fujitsu':2B 'hip':13 'hop':14 'lo':9 'lofi':8 'rap':16 'reefs':1A 'rnb':15 'turntablism':17 'waves':5
                                    'tag_tracknum'  28
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lofi', 'beats', 'instrumental hip hop', 'hip hop', 'chill']
                                        'tag_date'  2017
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620611410.64723  (2021-05-10 03:50:10)
                             'size'  4908844