======================== unified (from filesystem) ========================
                                         'bitrate'  '181.512'
                                        'duration'  '246'
                                          'artist'  'Beastie Boys'
                                     'text_people'  'Bernie Taupin; Elton John'
                                         'release'  'The Sounds Of Science (Disc 2)'
                                           'title'  'Benny And The Jets'
                                           '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-4', 'q-drums-3', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative', 'hip hop', 'rap', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '21'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '134.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Sounds Of Science (Disc 2)'
'TBPM' (BPM (beats per minute))                     '134.5'
'TCOM' (Composer)                                   'Bernie Taupin; Elton John'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Benny And The Jets'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beastie Boys'
'TPE2' (Band/orchestra/accompaniment)               'Beastie Boys'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '7/21'
'TXXX:Encoding Params'                              'vers'
'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:iTunes_CDDB_IDs'                              '21+EFCCB3B35363DD9A193030FA7F1C8952+667256'
'TXXX:lastfmtags'                                   ['alternative', 'hip hop', 'rap', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.442104'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1386540
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Beastie Boys - The Sounds Of Science (Disc 2)/2-07 Benny And The Jets.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  246
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5605851
                                           'mtime'  1620586920
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 07 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Beastie Boys
                                     'tag_release'  The Sounds Of Science (Disc 2)
                                       'tag_title'  Benny And The Jets
                                             'bpm'  134.5
                                    'search_title'  'and':2 'benny':1 'jets':4 'the':3
                                   'search_artist'  'beastie':1 'boys':2
                                  'search_release'  '2':7,8 'disc':5,6 'of':3 'science':4 'sounds':2 'the':1
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2':13C,14C 'and':2A 'beastie':5B 'benny':1A 'boys':6B 'disc':11C,12C 'hip':19 'hiphop':15 'hop':20 'jets':4A 'of':9C 'or':21 'rap':16 'rnb':17 'science':10C 'sounds':8C 'the':3A,7C 'turntablism':18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'hip hop', 'rap', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586919.764628  (2021-05-09 21:01:59)
                             'size'  5605851