======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '104'
                                          'artist'  'Erick the Architect'
                                     'text_people'  ''
                                         'release'  'ARCstrumentals, Vol. 2'
                                           'title'  "OK Here's the Story"
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 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['american', 'hip hop', 'rap', 'beats']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '114.3'
                                             'key'  '6A'
                                        '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))                     '114.3'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         "OK Here's the Story"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '104000'
'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)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['american', 'hip hop', 'rap', 'beats']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.668522'

========================== row from database ==========================
                                              'id'  1500245
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Arcstrumentals Vol. 2 - Erick The Architect/07 OK Here_s the Story.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  104
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4741768
                                           'mtime'  1620586830
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Arcstrumentals The 07 Here_s hip hop rnb rap turntablism
                                      'tag_artist'  Erick the Architect
                                     'tag_release'  ARCstrumentals, Vol. 2
                                       'tag_title'  OK Here's the Story
                                             'bpm'  114.3
                                    'search_title'  'here':2 'heres':4 'ok':1 's':3 'story':6 'the':5
                                   'search_artist'  'architect':3 'erick':1 'the':2
                                  'search_release'  '2':5 'arcstrumentals':1,2 'vol':3,4
                                     'search_rest'  'arcstrumentals':5 'here':7 'hip':9 'hiphop':1 'hop':10 'rap':2 'rnb':3 's':8 'the':6 'turntablism':4
                                    'search_combo'  '2':14C 'architect':9B 'arcstrumentals':10C,11C,19 'erick':7B 'here':2A,21 'heres':4A 'hip':23 'hiphop':15 'hop':24 'ok':1A 'rap':16 'rnb':17 's':3A,22 'story':6A 'the':5A,8B,20 'turntablism':18 'vol':12C,13C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['american', 'hip hop', 'rap', 'beats']
                                        'tag_date'  2018
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586829.9874606  (2021-05-09 21:00:29)
                             'size'  4741768