======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '166'
                                          'artist'  '101 Strings'
                                     'text_people'  ''
                                         'release'  'Audiophile Movie & Love Classic'
                                           'title'  'Piano Sonata no. 8'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-MIXBEAT-1', "
 "'Q-PLAY-2', 'q-bass-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']")
                                      'lastfmtags'  "['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '20'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '143.7'
                                             'key'  '5B'
                                        'acoustid'  'dce76fd0-c2a5-4c33-8e33-f23754a5cef1'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Audiophile Movie & Love Classic'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Piano Sonata no. 8'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '5/20'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.98.4 (http://www.mp3dev.org/)'
'TXXX:Acoustid Id'                                  'dce76fd0-c2a5-4c33-8e33-f23754a5cef1'
'TXXX:Artists'                                      '101 Strings'
'TXXX:BARCODE'                                      '8858680308150'
'TXXX:CATALOGNUMBER'                                'PRS0026'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         'a5a33ffd-6710-4bc2-be6e-69b80dc36890'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 'a1e932f2-3cb2-4763-8d08-499c2d4dd577'
'TXXX:MusicBrainz Release Track Id'                 'eaf70ebb-b431-40dd-ad4f-30b723c2b80b'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.461602'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'57418561-3797-45a7-91b4-da6f16d4a898')

========================== row from database ==========================
                                              'id'  1479283
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/2011 - Audiophile Movie & Love Classic [2CD]/CD2/05 - Piano Sonata No. 8.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  166
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6660710
                                           'mtime'  1621705516
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 2011 [2CD] CD2 05 No. electronic generic or radio easy listening
                                      'tag_artist'  101 Strings
                                     'tag_release'  Audiophile Movie & Love Classic
                                       'tag_title'  Piano Sonata no. 8
                                             'bpm'  143.7
                                    'search_title'  '8':5 'no':3,4 'piano':1 'sonata':2
                                   'search_artist'  '101':1 'strings':2
                                  'search_release'  'audiophile':1 'classic':4 'love':3 'movie':2
                                     'search_rest'  '2011':5 '2cd':6,7 'cd2':8 'country':4 'easy':15 'electronic':11 'exotica':2 'generic':12 'jazz':1 'listening':16 'no':9,10 'oldies':3 'or':13 'radio':14
                                    'search_combo'  '101':6B '2011':16 '2cd':17,18 '8':5A 'audiophile':8C 'cd2':19 'classic':11C 'country':15 'easy':26 'electronic':22 'exotica':13 'generic':23 'jazz':12 'listening':27 'love':10C 'movie':9C 'no':3A,4A,20,21 'oldies':14 'or':24 'piano':1A 'radio':25 'sonata':2A 'strings':7B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['instrumental', 'strings', 'myhitparade', 'myhits', 'easy listening']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705515.9744236  (2021-05-22 19:45:15)
                             'size'  6660710