======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '134'
                                          'artist'  'The Cap-Tans'
                                     'text_people'  ''
                                         'release'  'Doo Wop Coast To Coast Vol 2'
                                           'title'  'Feel Like Balling Some More'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['oldies', 'rock and roll', 'doo-wop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '84.844'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Doo Wop Coast To Coast Vol 2'
'TBPM' (BPM (beats per minute))                     '84.844'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TIT2' (Title/songname/content description)         'Feel Like Balling Some More'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '138292'
'TMED' (Media type)                                 'ANA'
'TPE1' (Lead performer(s)/Soloist(s))               'The Cap-Tans'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock and roll', 'doo-wop']
'TXXX:q-bass'                                       '1'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.92 dB'
'TXXX:replaygain_track_peak'                        '0.373469'

========================== row from database ==========================
                                              'id'  1508792
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Cap-Tans  (aka L_Captans) - Feel Like Balling Some More - 74 Roadhouse 1023.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  134
                                           'genre'  set-th-sex
                                        'filesize'  2158150
                                           'mtime'  1620343508
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy (aka L_Captans) 74 Roadhouse 1023 set th sex
                                      'tag_artist'  The Cap-Tans
                                     'tag_release'  Doo Wop Coast To Coast Vol 2
                                       'tag_title'  Feel Like Balling Some More
                                             'bpm'  84.844
                                    'search_title'  'balling':3 'feel':1 'like':2 'more':5 'some':4
                                   'search_artist'  'cap':2 'captans':4 'tans':3 'the':1
                                  'search_release'  '2':6 'coast':3 'doo':1 'to':4 'vol':5 'wop':2
                                     'search_rest'  '0novelty':2 '0playlists':1 '1023':13 '74':11 'aka':5,6 'captans':8,10 'l':7,9 'roadhouse':12 'set':14 'sex':16 'sexy':4 'th':15 'themes':3
                                    'search_combo'  '0novelty':17 '0playlists':16 '1023':28 '2':15C '74':26 'aka':20,21 'balling':3A 'cap':7B 'captans':9B,23,25 'coast':12C 'doo':10C 'feel':1A 'l':22,24 'like':2A 'more':5A 'roadhouse':27 'set':29 'sex':31 'sexy':19 'some':4A 'tans':8B 'th':30 'the':6B 'themes':18 'to':13C 'vol':14C 'wop':11C
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-1', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'rock and roll', 'doo-wop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343507.6174154  (2021-05-07 01:25:07)
                             'size'  2158150