======================== unified (from filesystem) ========================
                                         'bitrate'  '189.527'
                                        'duration'  '224'
                                          'artist'  'Stuart Hamblen'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'gospel', 'christian', 'uplifting', 'inspirational']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '89.060'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '89.060'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stuart Hamblen'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'gospel', 'christian', 'uplifting', 'inspirational']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.685182'

========================== row from database ==========================
                                              'id'  1418999
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Stuart Hamblen - hamblen , stuart/Singel-Isa teab.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  224
                                           'genre'  loc-namerica-country
                                        'filesize'  5316608
                                           'mtime'  1621628375
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country hamblen , stuart Singel Isa teab loc namerica country
                                      'tag_artist'  Stuart Hamblen
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  89.06
                                    'search_title'  None
                                   'search_artist'  'hamblen':2 'stuart':1
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'hamblen':5 'isa':8 'jazz':1 'loc':10 'namerica':11 'oldies':3 'singel':7 'stuart':6 'teab':9
                                    'search_combo'  'country':6 'exotica':4 'hamblen':2B,7 'isa':10 'jazz':3 'loc':12 'namerica':13 'oldies':5 'singel':9 'stuart':1B,8 'teab':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-piano-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'gospel', 'christian', 'uplifting', 'inspirational']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628375.0762565  (2021-05-21 22:19:35)
                             'size'  5316608