======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '380'
                                          'artist'  'Bob T.Racker'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Psychonaut'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-drone'
                                             'bpm'  '122.7'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-drone'
'TIT2' (Title/songname/content description)         'Psychonaut'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob T.Racker'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.60 dB'
'TXXX:replaygain_track_peak'                        '0.475390'

========================== row from database ==========================
                                              'id'  1424616
                                            'path'  /data/Music/Bulk/00poprockelectronic/00drone/Bob T.Racker - Psychonaut.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  380
                                           'genre'  electronic-drone
                                        'filesize'  7620354
                                           'mtime'  1636912421
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00drone electronic drone
                                      'tag_artist'  Bob T.Racker
                                     'tag_release'  None
                                       'tag_title'  Psychonaut
                                             'bpm'  122.7
                                    'search_title'  'psychonaut':1
                                   'search_artist'  'bob':1 'racker':3 't':2 'tracker':4
                                  'search_release'  
                                     'search_rest'  '00drone':2 '00poprockelectronic':1 'drone':4 'electronic':3
                                    'search_combo'  '00drone':7 '00poprockelectronic':6 'bob':2B 'drone':9 'electronic':8 'psychonaut':1A 'racker':4B 't':3B 'tracker':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912421.2972078  (2021-11-14 18:53:41)
                             'size'  7620354