======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '240'
                                          'artist'  'Ensemble Galatia'
                                     'text_people'  ''
                                         'release'  'TÜRKÇE MP3'
                                           'title'  'Que por al Non Devess'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'Q-BUSY-3', 'Q-GRIT-2', 'q-bass-3', 'q-drums-1', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-SYN-1', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['medieval', 'medieval folk', 'brilliant', 'folk']"
                                     'discogstags'  "['folk, world, & country', 'sephardic', 'ottoman classical', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-m-turkey'
                                             'bpm'  '139.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'TÜRKÇE MP3'
'TBPM' (BPM (beats per minute))                     '139.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-turkey'
'TIT2' (Title/songname/content description)         'Que por al Non Devess'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ensemble Galatia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk, world, & country', 'sephardic', 'ottoman classical', 'folk']
'TXXX:lastfmtags'                                   ['medieval', 'medieval folk', 'brilliant', 'folk']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.499680'

========================== row from database ==========================
                                              'id'  1486635
                                            'path'  /data/Music/Bulk/00localcharacter/TÜRKÇE MP3/Ensemble Galatia - Que por al Non Devess.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  240
                                           'genre'  loc-m-turkey
                                        'filesize'  7685857
                                           'mtime'  1620527275
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter loc turkey
                                      'tag_artist'  Ensemble Galatia
                                     'tag_release'  TÜRKÇE MP3
                                       'tag_title'  Que por al Non Devess
                                             'bpm'  139.1
                                    'search_title'  'al':3 'devess':5 'non':4 'por':2 'que':1
                                   'search_artist'  'ensemble':1 'galatia':2
                                  'search_release'  'mp3':3 'turkce':1,2
                                     'search_rest'  'loc':1 'turkey':2
                                    'search_combo'  'al':3A 'devess':5A 'ensemble':6B 'galatia':7B 'loc':11 'mp3':10C 'non':4A 'por':2A 'que':1A 'turkce':8C,9C 'turkey':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['medieval', 'medieval folk', 'brilliant', 'folk']
                                        'tag_date'  
                                     'discogstags'  ['folk, world, & country', 'sephardic', 'ottoman classical', 'folk']

============================== file details ==============================
                                           'mtime'  1620527275.2493906  (2021-05-09 04:27:55)
                             'size'  7685857