======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Five Blobs'
                                     'text_people'  'Burt Bacharach/Mack David'
                                         'release'  'Elvira Presents Haunted House Hits'
                                           'title'  'The Blob'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['swing', 'jazz', 'halloween', 'mondiovision', 'easy listening', 'lounge']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '105.040'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-251 POS 33'
'COMM:ID3v1 Comment:XXX'                            '58-251 POS 33'
'TALB' (Album/Movie/Show title)                     'Elvira Presents Haunted House Hits'
'TBPM' (BPM (beats per minute))                     '105.040'
'TCOM' (Composer)                                   'Burt Bacharach/Mack David'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'The Blob'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Five Blobs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swing', 'jazz', 'halloween', 'mondiovision', 'easy listening', 'lounge']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.501636'

========================== row from database ==========================
                                              'id'  1446250
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-251 - Five Blobs - The Blob.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  prerock-unsorted
                                        'filesize'  6465408
                                           'mtime'  1620387751
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 251 prerock unsorted
                                      'tag_artist'  Five Blobs
                                     'tag_release'  Elvira Presents Haunted House Hits
                                       'tag_title'  The Blob
                                             'bpm'  105.04
                                    'search_title'  'blob':2 'the':1
                                   'search_artist'  'blobs':2 'five':1
                                  'search_release'  'elvira':1 'haunted':3 'hits':5 'house':4 'presents':2
                                     'search_rest'  '00oldiepop':5 '1958':6 '251':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':14 '1958':15 '251':17 '58':16 'blob':2A 'blobs':4B 'country':13 'elvira':5C 'exotica':11 'five':3B 'haunted':7C 'hits':9C 'house':8C 'jazz':10 'oldies':12 'prerock':18 'presents':6C 'the':1A 'unsorted':19
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['swing', 'jazz', 'halloween', 'mondiovision', 'easy listening', 'lounge']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387750.723122  (2021-05-07 13:42:30)
                             'size'  6465408