======================== unified (from filesystem) ========================
                                         'bitrate'  '202.163'
                                        'duration'  '113'
                                          'artist'  'Butch Patrick'
                                     'text_people'  ''
                                         'release'  "Novelty 45's Volume 3"
                                           'title'  'Whatever Happened to Eddie'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'exotica', '30000', 'spotify']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '107.549'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Novelty 45's Volume 3"
'TBPM' (BPM (beats per minute))                     '107.549'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TIT2' (Title/songname/content description)         'Whatever Happened to Eddie'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Butch Patrick'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['all', 'exotica', '30000', 'spotify']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.550301'

========================== row from database ==========================
                                              'id'  1333866
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/08 - Butch Patrick - Whatever Happened To Eddie.mp3
                                         'working'  None
                                         'bitrate'  202
                                    'duration_sec'  113
                                           'genre'  entertaining-unsorted
                                        'filesize'  2870571
                                           'mtime'  1620568663
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 08 To entertaining unsorted
                                      'tag_artist'  Butch Patrick
                                     'tag_release'  Novelty 45's Volume 3
                                       'tag_title'  Whatever Happened to Eddie
                                             'bpm'  107.549
                                    'search_title'  'eddie':4 'happened':2 'to':3 'whatever':1
                                   'search_artist'  'butch':1 'patrick':2
                                  'search_release'  '3':6 '45':2 '45s':4 'novelty':1 's':3 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'entertaining':4 'to':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':13 '3':12C '45':8C '45s':10C 'butch':5B 'clean':14 'eddie':4A 'entertaining':16 'happened':2A 'novelty':7C 'patrick':6B 's':9C 'to':3A,15 'unsorted':17 'volume':11C 'whatever':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['all', 'exotica', '30000', 'spotify']
                                        'tag_date'  
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620568662.5510767  (2021-05-09 15:57:42)
                             'size'  2870571