======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '180'
                                          'artist'  'Ben Sidran'
                                     'text_people'  ''
                                         'release'  'Feel Your Groove'
                                           'title'  'About Love'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jazz', 'drjazzmrfunkmusic', 'cover', 'cool jazz']"
                                     'discogstags'  "['jazz', 'rock', 'funk / soul', 'jazz-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '121.994'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000224 00000000 000012E3'
'COMM:iTunNORM:eng'                                 (' 00000224 00000000 000012E3 00000000 0001FBE7 00000000 00006668 00000000 '
 '0001FBE7 00000000')
'TALB' (Album/Movie/Show title)                     'Feel Your Groove'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'About Love'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ben Sidran'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/11'
'TXXX:ADDED'                                        '2007-06-11'
'TXXX:COUNTRY'                                      'United States'
'TXXX:ERA'                                          'Classic'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock', 'funk / soul', 'jazz-rock']
'TXXX:lastfmtags'                                   ['jazz', 'drjazzmrfunkmusic', 'cover', 'cool jazz']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.723424'

========================== row from database ==========================
                                              'id'  761577
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Ben Sidran - ABOUT LOVE.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  180
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4342636
                                           'mtime'  1620586937
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism ABOUT LOVE hip hop or rnb or rap or turntablism
                                      'tag_artist'  Ben Sidran
                                     'tag_release'  Feel Your Groove
                                       'tag_title'  About Love
                                             'bpm'  121.994
                                    'search_title'  'about':1 'love':2
                                   'search_artist'  'ben':1 'sidran':2
                                  'search_release'  'feel':1 'groove':3 'your':2
                                     'search_rest'  'about':5 'hip':7 'hiphop':1 'hop':8 'love':6 'or':9 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'about':1A,12 'ben':3B 'feel':5C 'groove':7C 'hip':14 'hiphop':8 'hop':15 'love':2A,13 'or':16 'rap':9 'rnb':10 'sidran':4B 'turntablism':11 'your':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'drjazzmrfunkmusic', 'cover', 'cool jazz']
                                        'tag_date'  1971
                                     'discogstags'  ['jazz', 'rock', 'funk / soul', 'jazz-rock']

============================== file details ==============================
                                           'mtime'  1620586937.0759425  (2021-05-09 21:02:17)
                             'size'  4342636