======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'Bobby Freeman'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Little Girl Don't You Understand"
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'pop', 'soul', '60s', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '29'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '107.549'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000F11 00000F11 00004C6A 00004C6A 0000E992 0000E992 000068B6 000068B6 '
 '0001A1C1 0001A1C1')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007BC 0000000000619BB4 00000000 0035107E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'A811581D+333150+29+150+11874+19737+31024+39351+47975+58608+70318+83780+95095+107392+116986+127865+140571+152142+164756+176968+189445+200777+211286+222608+233879+247715+258769+273955+285665+297799+309072+321120'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TBPM' (BPM (beats per minute))                     '107.549'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         "Little Girl Don't You Understand"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bobby Freeman'
'TRCK' (Track number/Position in set)               '12/29'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'pop', 'soul', '60s', '7soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.410591'

========================== row from database ==========================
                                              'id'  1501571
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Bobby Freeman - Little Girl Don_t You Understand.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  set-pl-spelling
                                        'filesize'  3484774
                                           'mtime'  1620356301
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling Don_t set pl spelling
                                      'tag_artist'  Bobby Freeman
                                     'tag_release'  None
                                       'tag_title'  Little Girl Don't You Understand
                                             'bpm'  107.549
                                    'search_title'  'don':3 'dont':5 'girl':2 'little':1 't':4 'understand':7 'you':6
                                   'search_artist'  'bobby':1 'freeman':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'don':5 'pl':8 'set':7 'spelling':4 't':6 'themes':3
                                    'search_combo'  '0novelty':11 '0playlists':10 'bobby':8B 'don':3A,14 'dont':5A 'freeman':9B 'girl':2A 'little':1A 'pl':17 'set':16 'spelling':13 't':4A,15 'themes':12 'understand':7A 'you':6A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'pop', 'soul', '60s', '7soul']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356300.7292495  (2021-05-07 04:58:20)
                             'size'  3484774