======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '375'
                                          'artist'  'Yat-Kha'
                                     'text_people'  ''
                                         'release'  "Tundra's Ghosts"
                                           'title'  'Chaa-Hol (Tuvian Folk Song)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-1']")
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '14'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '129.6'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Tundra's Ghosts"
'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Chaa-Hol (Tuvian Folk Song)'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Yat-Kha'
'TPE2' (Band/orchestra/accompaniment)               'Yat-Kha'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SNC Records'
'TRCK' (Track number/Position in set)               '2/14'
'TSO2'                                              'Yat-Kha'
'TSOP' (Performer sort order)                       'Yat-Kha'
'TXXX:Artists'                                      'Yat-Kha'
'TXXX:CATALOGNUMBER'                                'RNDCD 002'
'TXXX:MusicBrainz Album Artist Id'                  '1cabb3c9-01cd-4678-be4b-29c0e7042f1b'
'TXXX:MusicBrainz Album Id'                         '5ad266cd-a47e-4ad1-99be-5dde8c86a95f'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1cabb3c9-01cd-4678-be4b-29c0e7042f1b'
'TXXX:MusicBrainz Release Group Id'                 '43e30a37-1f56-37dc-9093-aafc4c932b17'
'TXXX:MusicBrainz Release Track Id'                 'c15cb284-f06a-4547-bb8e-5b80f25a2e19'
'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'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.852975'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5e751723-b18c-4737-84d9-e7d3db01b399')

========================== row from database ==========================
                                              'id'  1523852
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tundra_s Ghosts/02 Chaa-Hol (Tuvian Folk Song).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  375
                                           'genre'  loc-russia-tuva
                                        'filesize'  6113903
                                           'mtime'  1621630211
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Tundra_s 02 loc russia tuva
                                      'tag_artist'  Yat-Kha
                                     'tag_release'  Tundra's Ghosts
                                       'tag_title'  Chaa-Hol (Tuvian Folk Song)
                                             'bpm'  129.6
                                    'search_title'  'chaa':1 'chaahol':3 'folk':6 'hol':2 'song':7,8 'tuvian':4,5
                                   'search_artist'  'kha':2 'yat':1 'yatkha':3
                                  'search_release'  'ghosts':4 's':2 'tundra':1 'tundras':3
                                     'search_rest'  '00poprockelectronic':1 'loc':4 'russia':5 's':3 'tundra':2 'tuva':6
                                    'search_combo'  '00poprockelectronic':16 'chaa':1A 'chaahol':3A 'folk':6A 'ghosts':15C 'hol':2A 'kha':10B 'loc':19 'russia':20 's':13C,18 'song':7A,8A 'tundra':12C,17 'tundras':14C 'tuva':21 'tuvian':4A,5A 'yat':9B 'yatkha':11B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621630211.1106632  (2021-05-21 22:50:11)
                             'size'  6113903