======================== unified (from filesystem) ========================
                                         'bitrate'  '32.0'
                                        'duration'  '2655'
                                          'artist'  'Bergen McCarthy'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'NBC Radio 40th anniversary'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'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'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-fragments-jingle'
                                             'bpm'  '144.748'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.748'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-fragments-jingle'
'TIT2' (Title/songname/content description)         'NBC Radio 40th anniversary'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bergen McCarthy'
'TXXX:Mp3gain_minmax'                               '138,194'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.422431'

========================== row from database ==========================
                                              'id'  1222745
                                            'path'  /data/Music/Bulk/0nonmusic/Miscellaneous old radio stuff/BergenMcCarthy_661113_NBCRadio40thAnniversaryPt1.mp3
                                         'working'  None
                                         'bitrate'  32
                                    'duration_sec'  2655
                                           'genre'  nonmusic-fragments-jingle
                                        'filesize'  10624094
                                           'mtime'  1628352958
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Miscellaneous old radio stuff BergenMcCarthy_661113_NBCRadio40thAnniversaryPt1 nonmusic fragments jingle
                                      'tag_artist'  Bergen McCarthy
                                     'tag_release'  None
                                       'tag_title'  NBC Radio 40th anniversary
                                             'bpm'  144.748
                                    'search_title'  '40th':3 'anniversary':4 'nbc':1 'radio':2
                                   'search_artist'  'bergen':1 'carthy':4 'mc':3 'mccarthy':2
                                  'search_release'  
                                     'search_rest'  '0nonmusic':1 '661113':7,15 'anniversary':17 'bergen':12 'bergenmccarthy':6 'carthy':14 'fragments':10 'jingle':11 'mc':13 'miscellaneous':2 'nbcradio40th':16 'nbcradio40thanniversarypt1':8 'nonmusic':9 'old':3 'pt1':18 'radio':4 'stuff':5
                                    'search_combo'  '0nonmusic':9 '40th':3A '661113':15,23 'anniversary':4A,25 'bergen':5B,20 'bergenmccarthy':14 'carthy':8B,22 'fragments':18 'jingle':19 'mc':7B,21 'mccarthy':6B 'miscellaneous':10 'nbc':1A 'nbcradio40th':24 'nbcradio40thanniversarypt1':16 'nonmusic':17 'old':11 'pt1':26 'radio':2A,12 'stuff':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-3', '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-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628352957.9867938  (2021-08-07 18:15:57)
                             'size'  10624094