======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '3373'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'RADIO LUXEMBURG'
                                           'title'  'STORY OF RADIO LUXEMBURG'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-fragments-jingle'
                                             'bpm'  '128.658'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'RADIO LUXEMBURG'
'TBPM' (BPM (beats per minute))                     '128.658'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-fragments-jingle'
'TIT2' (Title/songname/content description)         'STORY OF RADIO LUXEMBURG'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '3373296'
'TMED' (Media type)                                 'MIX'
'TPE1' (Lead performer(s)/Soloist(s))               'various artists'
'TRCK' (Track number/Position in set)               '2'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.88 dB'
'TXXX:replaygain_track_peak'                        '0.567824'

========================== row from database ==========================
                                              'id'  1222856
                                            'path'  /data/Music/Bulk/0nonmusic/Miscellaneous old radio stuff/LuxembourgRadio_STORY_OF_RADIO_LUXEMBOURG.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  3373
                                           'genre'  nonmusic-fragments-jingle
                                        'filesize'  26988416
                                           'mtime'  1628352958
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic Miscellaneous old radio stuff LuxembourgRadio_STORY_OF_RADIO_LUXEMBOURG nonmusic fragments jingle
                                      'tag_artist'  VARIOUS
                                     'tag_release'  RADIO LUXEMBURG
                                       'tag_title'  STORY OF RADIO LUXEMBURG
                                             'bpm'  128.658
                                    'search_title'  'luxemburg':4 'of':2 'radio':3 'story':1
                                   'search_artist'  'various':1
                                  'search_release'  'luxemburg':2 'radio':1
                                     'search_rest'  '0nonmusic':1 'fragments':12 'jingle':13 'luxembourg':10,14,19 'luxembourgradio':6 'miscellaneous':2 'nonmusic':11 'of':8,17 'old':3 'radio':4,9,15,18 'story':7,16 'stuff':5
                                    'search_combo'  '0nonmusic':7 'fragments':18 'jingle':19 'luxembourg':16,20,25 'luxembourgradio':12 'luxemburg':4A,6C 'miscellaneous':8 'nonmusic':17 'of':2A,14,23 'old':9 'radio':3A,5C,10,15,21,24 'story':1A,13,22 'stuff':11
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628352958.3814917  (2021-08-07 18:15:58)
                             'size'  26988416