======================== unified (from filesystem) ========================
                                         'bitrate'  '255.968'
                                        'duration'  '205'
                                          'artist'  'Black Star'
                                     'text_people'  ''
                                         'release'  'Black Star'
                                           'title'  'Astronomy (8th Light)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', '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-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['underground hip hop', 'hip hop', 'rap', 'alternative rap']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.021'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Black Star'
'TBPM' (BPM (beats per minute))                     '94.021'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TIT2' (Title/songname/content description)         'Astronomy (8th Light)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Star'
'TRCK' (Track number/Position in set)               '2'
'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', 'hip hop', 'rap', 'alternative rap']
'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'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.347926'

========================== row from database ==========================
                                              'id'  1331644
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/2-Mos Def !26 Talib Kweli _ Astronomy (8th Light).mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  205
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6588461
                                           'mtime'  1620572670
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 2 Mos Def !26 Talib Kweli _ hip hop or rnb or rap or turntablism
                                      'tag_artist'  Black Star
                                     'tag_release'  Black Star
                                       'tag_title'  Astronomy (8th Light)
                                             'bpm'  94.021
                                    'search_title'  '8th':2,3 'astronomy':1 'light':4,5
                                   'search_artist'  'black':1 'star':2
                                  'search_release'  'black':1 'star':2
                                     'search_rest'  '00poprockelectronic':1 '2':7 '26':10 'def':9 'files':5,6 'hip':13 'hop':14 'kweli':12 'loose':3,4 'mos':8 'or':15 'rap':17 'rnb':16 'talib':11 'turntablism':18 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 '2':16 '26':19 '8th':2A,3A 'astronomy':1A 'black':6B,8C 'def':18 'files':14,15 'hip':22 'hop':23 'kweli':21 'light':4A,5A 'loose':12,13 'mos':17 'or':24 'rap':26 'rnb':25 'star':7B,9C 'talib':20 'turntablism':27 'unsorted':11
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', '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-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['underground hip hop', 'hip hop', 'rap', 'alternative rap']
                                        'tag_date'  
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620572670.3015528  (2021-05-09 17:04:30)
                             'size'  6588461