======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '191'
                                          'artist'  'NRBQ'
                                     'text_people'  ''
                                         'release'  'NRBQ'
                                           'title'  'Cm Pups'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock and roll', 'cheezing out and loving it', 'piano', 'rhythm and blues', "
 "'rock']")
                                     'discogstags'  ("['jazz', 'rock', 'funk / soul', 'blues', 'rock & roll', 'jazz-rock', 'rhythm "
 "& blues', 'funk']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '15'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-pl-spelling'
                                             'bpm'  '113.453'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000004C1 000005D2 000045F0 0000C832 0000CBFA 000198AC 0000853A 00008658 '
 '00011953 0001814E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000834 00000000008086BC 00000000 0045E43F 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '15+FCD47AFDABC1E9F5721F02E11488EBDA+833986'
'TALB' (Album/Movie/Show title)                     'NRBQ'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country', 'set-pl-spelling']
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Cm Pups'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'NRBQ'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['jazz',
 'rock',
 'funk / soul',
 'blues',
 'rock & roll',
 'jazz-rock',
 'rhythm & blues',
 'funk']
'TXXX:lastfmtags'                                   ['rock and roll',
 'cheezing out and loving it',
 'piano',
 'rhythm and blues',
 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.632735'

========================== row from database ==========================
                                              'id'  761047
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/NRBQ - CM Pups.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  191
                                           'genre'  loc-namerica-country;set-pl-spelling
                                        'filesize'  4587616
                                           'mtime'  1621630340
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling CM loc namerica country;set pl spelling
                                      'tag_artist'  NRBQ
                                     'tag_release'  NRBQ
                                       'tag_title'  Cm Pups
                                             'bpm'  113.453
                                    'search_title'  'cm':1 'pups':2
                                   'search_artist'  'nrbq':1
                                  'search_release'  'nrbq':1
                                     'search_rest'  '0novelty':2 '0playlists':1 'cm':5 'country':8,10 'loc':6 'namerica':7 'pl':12 'set':9,11 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':6 '0playlists':5 'cm':1A,9 'country':12,14 'loc':10 'namerica':11 'nrbq':3B,4C 'pl':16 'pups':2A 'set':13,15 'spelling':8 'themes':7
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'cheezing out and loving it', 'piano', 'rhythm and blues', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['jazz', 'rock', 'funk / soul', 'blues', 'rock & roll', 'jazz-rock', 'rhythm & blues', 'funk']

============================== file details ==============================
                                           'mtime'  1621630340.4234061  (2021-05-21 22:52:20)
                             'size'  4587616