======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '188'
                                          'artist'  'The Archies'
                                     'text_people'  ''
                                         'release'  'Absolutely The Best Of The Archies'
                                           'title'  "Feelin' So Good (S.K.O.O.B.Y. - D.O.O.)"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['60s', 'oldies', 'pop', 'bubblegum', 'rock', 'classic rock']"
                                     'discogstags'  "['bubblegum', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '125.782'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Absolutely The Best Of The Archies'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Feelin' So Good (S.K.O.O.B.Y. - D.O.O.)"
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Archies'
'TPE2' (Band/orchestra/accompaniment)               'The Archies'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['bubblegum', 'pop']
'TXXX:lastfmtags'                                   ['60s', 'oldies', 'pop', 'bubblegum', 'rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.454463'

========================== row from database ==========================
                                              'id'  1504002
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/The Archies - Feelin_ So Good (S.K.O.O.B.Y.-D.O.O.).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  188
                                           'genre'  set-pl-spelling
                                        'filesize'  6070144
                                           'mtime'  1620356409
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling Feelin_ set pl spelling
                                      'tag_artist'  The Archies
                                     'tag_release'  Absolutely The Best Of The Archies
                                       'tag_title'  Feelin' So Good (S.K.O.O.B.Y. - D.O.O.)
                                             'bpm'  125.782
                                    'search_title'  'b':9 'd':12 'doo':15 'feelin':1,2 'good':4 'k':6 'o':7,8,13,14 's':5 'skooby':11 'so':3 'y':10
                                   'search_artist'  'archies':2 'the':1
                                  'search_release'  'absolutely':1 'archies':5 'best':3 'of':4 'the':2
                                     'search_rest'  '0novelty':2 '0playlists':1 'feelin':5 'pl':7 'set':6 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':24 '0playlists':23 'absolutely':18C 'archies':17B,22C 'b':9A 'best':20C 'd':12A 'doo':15A 'feelin':1A,2A,27 'good':4A 'k':6A 'o':7A,8A,13A,14A 'of':21C 'pl':29 's':5A 'set':28 'skooby':11A 'so':3A 'spelling':26 'the':16B,19C 'themes':25 'y':10A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'oldies', 'pop', 'bubblegum', 'rock', 'classic rock']
                                        'tag_date'  2001
                                     'discogstags'  ['bubblegum', 'pop']

============================== file details ==============================
                                           'mtime'  1620356408.995649  (2021-05-07 05:00:08)
                             'size'  6070144