======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '33'
                                          'artist'  'Leonard Nimoy'
                                     'text_people'  ''
                                         'release'  'National Jewish Center for Immunology and Respiratory Medicine'
                                           'title'  'National Jewish Center for Immunology and Respiratory Medicine (PSA)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['geek', 'comedy', 'oldies', 'folk', 'star trek']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech'
                                             'bpm'  '88.130'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '365 Days Project'
'COMM:ID3v1 Comment:XXX'                            '365 Days Project'
'TALB' (Album/Movie/Show title)                     'National Jewish Center for Immunology and Respiratory Medicine'
'TBPM' (BPM (beats per minute))                     '88.130'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech'
'TIT2' (Title/songname/content description)         'National Jewish Center for Immunology and Respiratory Medicine (PSA)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leonard Nimoy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.97, 192 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['geek', 'comedy', 'oldies', 'folk', 'star trek']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.80 dB'
'TXXX:replaygain_track_peak'                        '0.671122'

========================== row from database ==========================
                                              'id'  1317691
                                            'path'  /data/Music/Bulk/00poprockelectronic/11/309_12_Leonard_Nimoy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  33
                                           'genre'  nonmusic-speech
                                        'filesize'  820727
                                           'mtime'  1637329923
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 309_12_Leonard_Nimoy nonmusic speech
                                      'tag_artist'  Leonard Nimoy
                                     'tag_release'  National Jewish Center for Immunology and Respiratory Medicine
                                       'tag_title'  National Jewish Center for Immunology and Respiratory Medicine (PSA)
                                             'bpm'  88.13
                                    'search_title'  'and':6 'center':3 'for':4 'immunology':5 'jewish':2 'medicine':8 'national':1 'psa':9,10 'respiratory':7
                                   'search_artist'  'leonard':1 'nimoy':2
                                  'search_release'  'and':6 'center':3 'for':4 'immunology':5 'jewish':2 'medicine':8 'national':1 'respiratory':7
                                     'search_rest'  '00poprockelectronic':1 '12':3 '309':2 'leonard':4 'nimoy':5 'nonmusic':6 'speech':7
                                    'search_combo'  '00poprockelectronic':21 '12':23 '309':22 'and':6A,18C 'center':3A,15C 'for':4A,16C 'immunology':5A,17C 'jewish':2A,14C 'leonard':11B,24 'medicine':8A,20C 'national':1A,13C 'nimoy':12B,25 'nonmusic':26 'psa':9A,10A 'respiratory':7A,19C 'speech':27
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['geek', 'comedy', 'oldies', 'folk', 'star trek']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329923.0333087  (2021-11-19 14:52:03)
                             'size'  820727