======================== unified (from filesystem) ========================
                                         'bitrate'  '32.0'
                                        'duration'  '4230'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Merv Griffin 73 08 30 A Tribute To Radio'
                                           '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-2', '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'  '110.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '110.7'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-fragments-jingle'
'TIT2' (Title/songname/content description)         'Merv Griffin 73 08 30 A Tribute To Radio'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Mp3gain_minmax'                               '066,187'
'TXXX:Mp3gain_undo'                                 '+001,+001,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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.819395'

========================== row from database ==========================
                                              'id'  1461107
                                            'path'  /data/Music/Bulk/0nonmusic/Miscellaneous old radio stuff/Merv_Griffin_73_08_30_A_Tribute_To_Radio.mp3
                                         'working'  None
                                         'bitrate'  32
                                    'duration_sec'  4230
                                           'genre'  nonmusic-fragments-jingle
                                        'filesize'  16924102
                                           'mtime'  1628352958
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Miscellaneous old radio stuff Merv_Griffin_73_08_30_A_Tribute_To_Radio nonmusic fragments jingle
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  Merv Griffin 73 08 30 A Tribute To Radio
                                             'bpm'  110.7
                                    'search_title'  '30':4 '73':3 'a':5 'griffin':2 'merv':1 'radio':8 'to':7 'tribute':6
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '08':9 '0nonmusic':1 '30':10 '73':8 'a':11 'fragments':16 'griffin':7 'jingle':17 'merv':6 'miscellaneous':2 'nonmusic':15 'old':3 'radio':4,14 'stuff':5 'to':13 'tribute':12
                                    'search_combo'  '08':19 '0nonmusic':11 '30':4A,20 '73':3A,18 'a':5A,21 'fragments':26 'griffin':2A,17 'jingle':27 'merv':1A,16 'miscellaneous':12 'nonmusic':25 'old':13 'radio':8A,14,24 'stuff':15 'to':7A,23 'tribute':6A,22 'unknown':9B,10B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628352958.407762  (2021-08-07 18:15:58)
                             'size'  16924102