======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '261'
                                          'artist'  'Digable Planets'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Cool Like That'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['hip-hop', 'jazz hop', 'hip hop', 'rap', 'jazz']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '132.271'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.271'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Cool Like That'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Digable Planets'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['hip-hop', 'jazz hop', 'hip hop', 'rap', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.708178'

========================== row from database ==========================
                                              'id'  1335957
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/Digable Planets - Cool Like That.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  261
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4182940
                                           'mtime'  1620566820
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s electronic generic or radio unsorted
                                      'tag_artist'  Digable Planets
                                     'tag_release'  None
                                       'tag_title'  Cool Like That
                                             'bpm'  132.271
                                    'search_title'  'cool':1 'like':2 'that':3
                                   'search_artist'  'digable':1 'planets':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '90s':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':6 '90s':7 'cool':1A 'digable':4B 'electronic':8 'generic':9 'like':2A 'or':10 'planets':5B 'radio':11 'that':3A 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'jazz hop', 'hip hop', 'rap', 'jazz']
                                        'tag_date'  1995
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620566820.276331  (2021-05-09 15:27:00)
                             'size'  4182940