======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '388'
                                          'artist'  'Isaac Jackson'
                                     'text_people'  ''
                                         'release'  'Tellus Tools'
                                           'title'  'Messages (excerpts)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['avant-garde', 'africa', 'all', 'mash-up']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '116.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus Tools'
'TBPM' (BPM (beats per minute))                     '116.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Messages (excerpts)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isaac Jackson'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['avant-garde', 'africa', 'all', 'mash-up']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '1.120645'

========================== row from database ==========================
                                              'id'  447570
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/2001 - Tellus Tools/03 - Isaac Jackson - Messages (excerpts).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  388
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  9350316
                                           'mtime'  1636915987
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 2001 03 electronic experimental oddness
                                      'tag_artist'  Isaac Jackson
                                     'tag_release'  Tellus Tools
                                       'tag_title'  Messages (excerpts)
                                             'bpm'  116.3
                                    'search_title'  'excerpts':2,3 'messages':1
                                   'search_artist'  'isaac':1 'jackson':2
                                  'search_release'  'tellus':1 'tools':2
                                     'search_rest'  '2001':4 'audio':1 'cassette':2 'electronic':5 'experimental':6 'magazine':3 'oddness':7
                                    'search_combo'  '2001':11 'audio':8 'cassette':9 'electronic':12 'excerpts':2A,3A 'experimental':13 'isaac':4B 'jackson':5B 'magazine':10 'messages':1A 'oddness':14 'tellus':6C 'tools':7C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['avant-garde', 'africa', 'all', 'mash-up']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915987.0529232  (2021-11-14 19:53:07)
                             'size'  9350316