======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Kid 606'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dot, Dot, Dot'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['breakcore', 'idm', 'glitch', 'electronic', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  'b4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '136.736'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '136.736'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Dot, Dot, Dot'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kid 606'
'TRCK' (Track number/Position in set)               'b4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['breakcore', 'idm', 'glitch', 'electronic', 'experimental']
'TXXX:other'                                        'Kid606'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.14 dB'
'TXXX:replaygain_track_peak'                        '0.835817'

========================== row from database ==========================
                                              'id'  765434
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Collaborations/Kid606 vs Christoph De Babalon - 2000 - Split Series #10 EP (320 from lossless)/b4 Kid606 - Dot, Dot, Dot.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  electronic-unsorted
                                        'filesize'  7663294
                                           'mtime'  1620587004
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism Collaborations Kid606 vs Christoph De Babalon 2000 Split Series #10 EP (320 from lossless) b4 Kid606 electronic unsorted
                                      'tag_artist'  Kid 606
                                     'tag_release'  None
                                       'tag_title'  Dot, Dot, Dot
                                             'bpm'  136.736
                                    'search_title'  'dot':1,2
                                   'search_artist'  '606':2 'kid':1
                                  'search_release'  
                                     'search_rest'  '10':14,15 '2000':11 '320':17,18 'b4':22 'babalon':10 'christoph':8 'collaborations':5 'de':9 'electronic':23 'ep':16 'from':19 'hiphop':1 'kid606':6 'lossless':20,21 'rap':2 'rnb':3 'series':13 'split':12 'turntablism':4 'unsorted':24 'vs':7
                                    'search_combo'  '10':18,19 '2000':15 '320':21,22 '606':4B 'b4':26 'babalon':14 'christoph':12 'collaborations':9 'de':13 'dot':1A,2A 'electronic':27 'ep':20 'from':23 'hiphop':5 'kid':3B 'kid606':10 'lossless':24,25 'rap':6 'rnb':7 'series':17 'split':16 'turntablism':8 'unsorted':28 'vs':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['breakcore', 'idm', 'glitch', 'electronic', 'experimental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620587003.731766  (2021-05-09 21:03:23)
                             'size'  7663294