======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '60'
                                          'artist'  'Cousin Brucie Morrow'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  'The School of Broadcasting and Announcing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '62'
                                      'tracktotal'  '98'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '88.399'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '88.399'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'The School of Broadcasting and Announcing'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cousin Brucie Morrow'
'TRCK' (Track number/Position in set)               '62/98'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.599542'

========================== row from database ==========================
                                              'id'  958078
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/car ads and PSAs/car ads and PSAs - 62. the school of broadcasting and announcing.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  60
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  966697
                                           'mtime'  1620525225
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa car ads PSAs car ads PSAs 62. the school broadcasting announcing nonmusic commercials;set pl mor
                                      'tag_artist'  Cousin Brucie Morrow
                                     'tag_release'  no title
                                       'tag_title'  The School of Broadcasting and Announcing
                                             'bpm'  88.399
                                    'search_title'  'and':5 'announcing':6 'broadcasting':4 'of':3 'school':2 'the':1
                                   'search_artist'  'brucie':2 'cousin':1 'morrow':3
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '62':11,12 'ads':9 'announcing':16 'broadcasting':15 'car':8 'commercial':6 'commercials':18,20 'mor':23 'movietrailer':5 'nonmusic':17 'pl':22 'psa':7 'psas':10 'radio':4 'school':14 'set':19,21 'the':13 'tv':3
                                    'search_combo'  '00commercials':13 '0nonmusic':12 '62':22,23 'ads':20 'and':5A 'announcing':6A,27 'broadcasting':4A,26 'brucie':8B 'car':19 'commercial':17 'commercials':29,31 'cousin':7B 'mor':34 'morrow':9B 'movietrailer':16 'no':10C 'nonmusic':28 'of':3A 'pl':33 'psa':18 'psas':21 'radio':15 'school':2A,25 'set':30,32 'the':1A,24 'title':11C 'tv':14
                                    'tag_tracknum'  62
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525225.3829741  (2021-05-09 03:53:45)
                             'size'  966697