======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '150'
                                          'artist'  'Erick the Architect'
                                     'text_people'  ''
                                         'release'  'ARCstrumentals, Vol. 2'
                                           'title'  'Cooking With Grease'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['american', 'hip hop', 'rap', 'beats']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '89.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'ARCstrumentals, Vol. 2'
'TBPM' (BPM (beats per minute))                     '89.9'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Cooking With Grease'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '150000'
'TPE1' (Lead performer(s)/Soloist(s))               'Erick the Architect'
'TPE2' (Band/orchestra/accompaniment)               'Erick the Architect'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['american', 'hip hop', 'rap', 'beats']
'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'                                      '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.91 dB'
'TXXX:replaygain_track_peak'                        '0.570769'

========================== row from database ==========================
                                              'id'  1243857
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Arcstrumentals Vol. 2 - Erick The Architect/02 Cooking With Grease.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  150
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6568208
                                           'mtime'  1620586841
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Arcstrumentals The 02 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Erick the Architect
                                     'tag_release'  ARCstrumentals, Vol. 2
                                       'tag_title'  Cooking With Grease
                                             'bpm'  89.9
                                    'search_title'  'cooking':1 'grease':3 'with':2
                                   'search_artist'  'architect':3 'erick':1 'the':2
                                  'search_release'  '2':5 'arcstrumentals':1,2 'vol':3,4
                                     'search_rest'  'arcstrumentals':5 'hip':7 'hiphop':1 'hop':8 'or':9 'rap':2 'rnb':3 'the':6 'turntablism':4
                                    'search_combo'  '2':11C 'architect':6B 'arcstrumentals':7C,8C,16 'cooking':1A 'erick':4B 'grease':3A 'hip':18 'hiphop':12 'hop':19 'or':20 'rap':13 'rnb':14 'the':5B,17 'turntablism':15 'vol':9C,10C 'with':2A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['american', 'hip hop', 'rap', 'beats']
                                        'tag_date'  2018
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586841.1545162  (2021-05-09 21:00:41)
                             'size'  6568208