======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '83'
                                          'artist'  'Walterwarm'
                                     'text_people'  'Cameron King'
                                         'release'  'Smoke Signals'
                                           'title'  'Where the Buffalo Roam'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-3', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['instrumental', 'beats', 'hip hop', 'usa', 'american']"
                                     'discogstags'  "['instrumental', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '51'
                                      'tracktotal'  '79'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism-chillhop'
                                             'bpm'  '160'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:front cover'                                  type PictureType.COVER_FRONT (Cover (front)) b'front cover'
                                     
'TALB' (Album/Movie/Show title)                     'Smoke Signals'
'TBPM' (BPM (beats per minute))                     '160'
'TCOM' (Composer)                                   'Cameron King'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism-chillhop'
'TCOP' (Copyright message)                          'VinDig'
'TDRC' (Recording time)                             '2016-10-14'
'TIT2' (Title/songname/content description)         'Where the Buffalo Roam'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '82'
'TPE1' (Lead performer(s)/Soloist(s))               'Walterwarm, Cowode, Walterwarm & Cowode'
'TPE2' (Band/orchestra/accompaniment)               'Walterwarm'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '51/79'
'TSRC' (ISRC (international standard recording code))  'DEQ121642445'
'TXXX:BARCODE'                                      '4018939309367'
'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:discogstags'                                  ['instrumental', 'hip hop']
'TXXX:lastfmtags'                                   ['instrumental', 'beats', 'hip hop', 'usa', 'american']
'TXXX:q-bass'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+13.12 dB'
'TXXX:replaygain_track_peak'                        '0.105327'

========================== row from database ==========================
                                              'id'  1310438
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00synthwave/lofi/lo fi chill/51 - Walterwarm - Where the Buffalo Roam.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  83
                                           'genre'  hip hop or rnb or rap or turntablism-chillhop
                                        'filesize'  3589333
                                           'mtime'  1620611422
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00synthwave lofi fi chill 51 hip hop or rnb or rap or turntablism chillhop
                                      'tag_artist'  Walterwarm
                                     'tag_release'  Smoke Signals
                                       'tag_title'  Where the Buffalo Roam
                                             'bpm'  160.0
                                    'search_title'  'buffalo':3 'roam':4 'the':2 'where':1
                                   'search_artist'  'walterwarm':1
                                  'search_release'  'signals':2 'smoke':1
                                     'search_rest'  '00poprockelectronic':1 '00synthwave':4 '51':8 'chill':7 'chillhop':15 'disco':3 'fi':6 'hip':9 'hop':10 'lofi':5 'or':11 'rap':13 'rnb':12 'turntablism':14 'waves':2
                                    'search_combo'  '00poprockelectronic':8 '00synthwave':11 '51':15 'buffalo':3A 'chill':14 'chillhop':22 'disco':10 'fi':13 'hip':16 'hop':17 'lofi':12 'or':18 'rap':20 'rnb':19 'roam':4A 'signals':7C 'smoke':6C 'the':2A 'turntablism':21 'walterwarm':5B 'waves':9 'where':1A
                                    'tag_tracknum'  51
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'beats', 'hip hop', 'usa', 'american']
                                        'tag_date'  2016
                                     'discogstags'  ['instrumental', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620611421.6754465  (2021-05-10 03:50:21)
                             'size'  3589333