======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '3790'
                                          'artist'  'Zencast.org'
                                     'text_people'  ''
                                         'release'  'Zencast'
                                           'title'  'Zencast 265 - The Joys of Awakened Heart'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'q-syn-1', "
 "'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-1', 'q-chart-1', 'q-drums-1', "
 "'q-other-1', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['podcast', 'zen', 'buddhism', 'dharma']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-podcast'
                                             'bpm'  '85.597'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zencast'
'TBPM' (BPM (beats per minute))                     '85.597'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-podcast'
'TIT2' (Title/songname/content description)         'Zencast 265 - The Joys of Awakened Heart'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zencast.org'
'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:lastfmtags'                                   ['podcast', 'zen', 'buddhism', 'dharma']
'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'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+7.51 dB'
'TXXX:replaygain_track_peak'                        '0.860981'

========================== row from database ==========================
                                              'id'  942849
                                            'path'  /data/Music/Bulk/0nonmusic/00audiobooks-podcasts/Zencast/Zencast 265 - The Joys of Awakened Heart.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  3790
                                           'genre'  nonmusic-speech-podcast
                                        'filesize'  37906404
                                           'mtime'  1620562057
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00audiobooks podcasts nonmusic speech podcast
                                      'tag_artist'  Zencast.org
                                     'tag_release'  Zencast
                                       'tag_title'  Zencast 265 - The Joys of Awakened Heart
                                             'bpm'  85.597
                                    'search_title'  '265':2 'awakened':6 'heart':7 'joys':4 'of':5 'the':3 'zencast':1
                                   'search_artist'  'org':2 'zencast':1 'zencastorg':3
                                  'search_release'  'zencast':1
                                     'search_rest'  '00audiobooks':2 '0nonmusic':1 'nonmusic':4 'podcast':6 'podcasts':3 'speech':5
                                    'search_combo'  '00audiobooks':13 '0nonmusic':12 '265':2A 'awakened':6A 'heart':7A 'joys':4A 'nonmusic':15 'of':5A 'org':9B 'podcast':17 'podcasts':14 'speech':16 'the':3A 'zencast':1A,8B,11C 'zencastorg':10B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['podcast', 'zen', 'buddhism', 'dharma']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562056.7519546  (2021-05-09 14:07:36)
                             'size'  37906404