======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '265'
                                          'artist'  'Erykah Badu'
                                     'text_people'  ''
                                         'release'  'Baduizm'
                                           'title'  'Appletree'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', '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-3']")
                                      'lastfmtags'  "['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']"
                                     'discogstags'  "['electronic', 'hip hop', 'funk / soul', 'rnb/swing', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '14'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '94.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Baduizm'
'TBPM' (BPM (beats per minute))                     '94.8'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1997-01-01'
'TIT2' (Title/songname/content description)         'Appletree'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Erykah Badu'
'TRCK' (Track number/Position in set)               '3/14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'funk / soul', 'rnb/swing', 'neo soul']
'TXXX:lastfmtags'                                   ['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.607596'

========================== row from database ==========================
                                              'id'  1335307
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Erykah Badu - 03 - Appletree.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  265
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  10618880
                                           'mtime'  1620573852
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 03 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Erykah Badu
                                     'tag_release'  Baduizm
                                       'tag_title'  Appletree
                                             'bpm'  94.8
                                    'search_title'  'appletree':1
                                   'search_artist'  'badu':2 'erykah':1
                                  'search_release'  'baduizm':1
                                     'search_rest'  '00poprockelectronic':1 'hip':3 'hop':4 'or':5 'rap':7 'rnb':6 'set':2 'turntablism':8
                                    'search_combo'  '00poprockelectronic':5 'appletree':1A 'badu':3B 'baduizm':4C 'erykah':2B 'hip':7 'hop':8 'or':9 'rap':11 'rnb':10 'set':6 'turntablism':12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', '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-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'hip hop', 'funk / soul', 'rnb/swing', 'neo soul']

============================== file details ==============================
                                           'mtime'  1620573852.3706048  (2021-05-09 17:24:12)
                             'size'  10618880