======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Atlas Dusk'
                                     'text_people'  ''
                                         'release'  'Proof of Purchase'
                                           'title'  'You'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'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-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['underground hip hop', 'funk']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '111.517'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000093C 000008EB 0000671A 0000690E 0000B82F 0000B82F 000086EF 000086A4 '
 '0002591F 0000AECB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000864 000000000083130C 00000000 00474759 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '14+809E51605014DEE54356BD9141AB47B4+8679002'
'TALB' (Album/Movie/Show title)                     'Proof of Purchase'
'TBPM' (BPM (beats per minute))                     '111.517'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.0.2'
'TIT2' (Title/songname/content description)         'You'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Atlas Dusk'
'TRCK' (Track number/Position in set)               '13/14'
'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:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['underground hip hop', 'funk']
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.03 dB'
'TXXX:replaygain_track_peak'                        '0.477648'

========================== row from database ==========================
                                              'id'  764937
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Atlas Dusk - YOU.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4716151
                                           'mtime'  1620586877
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism YOU hip hop or rnb or rap or turntablism
                                      'tag_artist'  Atlas Dusk
                                     'tag_release'  Proof of Purchase
                                       'tag_title'  You
                                             'bpm'  111.517
                                    'search_title'  'you':1
                                   'search_artist'  'atlas':1 'dusk':2
                                  'search_release'  'of':2 'proof':1 'purchase':3
                                     'search_rest'  'hip':6 'hiphop':1 'hop':7 'or':8 'rap':2 'rnb':3 'turntablism':4 'you':5
                                    'search_combo'  'atlas':2B 'dusk':3B 'hip':12 'hiphop':7 'hop':13 'of':5C 'or':14 'proof':4C 'purchase':6C 'rap':8 'rnb':9 'turntablism':10 'you':1A,11
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground hip hop', 'funk']
                                        'tag_date'  2007
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586877.088317  (2021-05-09 21:01:17)
                             'size'  4716151