<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '119'
                                          'artist'  'Helmettes'
                                     'text_people'  ''
                                         'release'  'Lost Live Recordin'
                                           'title'  'I.q. Zero'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'Q-GRIT-3', 'Q-MIXBEAT-1', 'Q-CHART-1', 'Q-SYN-1', 'Q-BUSY-3', "
 "'Q-PLAY-3', 'q-bass-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '104.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75eb0>

'APIC:'                                             type PictureType.OTHER (Other) b''<br/>                                     <img style="width:150px" src="image?fid=1537022"/>
'TALB' (Album/Movie/Show title)                     'Lost Live Recordin'
'TBPM' (BPM (beats per minute))                     '104.1'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'I.q. Zero'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '119745'
'TPE1' (Lead performer(s)/Soloist(s))               'Helmettes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-14.65 dB'
'TXXX:replaygain_track_peak'                        '1.121802'

========================== row from database ==========================
                                              'id'  1537022
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/helmettes - lost live recordin/13 - i.q. zero.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  119
                                           'genre'  
                                        'filesize'  3355045
                                           'mtime'  1695907196
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy helmettes lost live recordin 13 i.q. zero
                                      'tag_artist'  Helmettes
                                     'tag_release'  Lost Live Recordin
                                       'tag_title'  I.q. Zero
                                             'bpm'  104.1
                                    'search_title'  'i':1 'iq':3 'q':2 'zero':4
                                   'search_artist'  'helmettes':1
                                  'search_release'  'live':2 'lost':1 'recordin':3
                                     'search_rest'  'classicprogpsy':1 'helmettes':2 'i':6 'iq':8 'live':4 'lost':3 'q':7 'recordin':5 'zero':9
                                    'search_combo'  'classicprogpsy':9 'helmettes':5B,10 'i':1A,14 'iq':3A,16 'live':7C,12 'lost':6C,11 'q':2A,15 'recordin':8C,13 'zero':4A,17
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-MIXBEAT-1', 'Q-CHART-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695907196.1809096  (2023-09-28 15:19:56)
                             'size'  3355045