======================== unified (from filesystem) ========================
                                         'bitrate'  '204.731'
                                        'duration'  '456'
                                          'artist'  'Edalat Nasibov'
                                     'text_people'  ''
                                         'release'  "L'art du Saz (Azerbaijan)"
                                           'title'  'Tasnif et ortâ sârytel'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['saz', 'wood and string', 'caucasian', 'folk', 'azerbaijani']"
                                     'discogstags'  "['folk, world, & country', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-m-azerbaijan'
                                             'bpm'  '116.5'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "L'art du Saz (Azerbaijan)"
'TBPM' (BPM (beats per minute))                     '116.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-m-azerbaijan'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Tasnif et ortâ sârytel'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Edalat Nasibov'
'TRCK' (Track number/Position in set)               '03'
'TSOA' (Album sort order)                           "L'art du Saz (Azerbaijan)"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk']
'TXXX:lastfmtags'                                   ['saz', 'wood and string', 'caucasian', 'folk', 'azerbaijani']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.534954'

========================== row from database ==========================
                                              'id'  1523218
                                            'path'  /data/Music/Bulk/00dwimp/L_art du Saz (Azerbaijan)/03 Tasnif et ortâ sârytel.mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  456
                                           'genre'  loc-m-azerbaijan
                                        'filesize'  11770649
                                           'mtime'  1621626192
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp L_art 03 loc m azerbaijan
                                      'tag_artist'  Edalat Nasibov
                                     'tag_release'  L'art du Saz (Azerbaijan)
                                       'tag_title'  Tasnif et ortâ sârytel
                                             'bpm'  116.5
                                    'search_title'  'et':2 'orta':3,4 'sarytel':5,6 'tasnif':1
                                   'search_artist'  'edalat':1 'nasibov':2
                                  'search_release'  'art':2 'azerbaijan':6,7 'du':4 'l':1 'lart':3 'saz':5
                                     'search_rest'  '00dwimp':1 'art':3 'azerbaijan':6 'l':2 'loc':4 'm':5
                                    'search_combo'  '00dwimp':16 'art':10C,18 'azerbaijan':14C,15C,21 'du':12C 'edalat':7B 'et':2A 'l':9C,17 'lart':11C 'loc':19 'm':20 'nasibov':8B 'orta':3A,4A 'sarytel':5A,6A 'saz':13C 'tasnif':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['saz', 'wood and string', 'caucasian', 'folk', 'azerbaijani']
                                        'tag_date'  2004
                                     'discogstags'  ['folk, world, & country', 'folk']

============================== file details ==============================
                                           'mtime'  1621626192.219706  (2021-05-21 21:43:12)
                             'size'  11770649