======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '249'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Opera Without Words'
                                           'title'  'Madama Butterfly: Un bel dì'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-MIXBEAT-1', "
 "'q-bass-1', 'q-play-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1']")
                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '134.0'
                                             'key'  '3A'
                                        'acoustid'  '0267bd0b-a003-4a88-897f-1e01513c93f5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Opera Without Words'
'TBPM' (BPM (beats per minute))                     '134.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1958'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Madama Butterfly: Un bel dì'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Giacomo Puccini'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '3/7'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       'Puccini, Giacomo'
'TXXX:Acoustid Id'                                  '0267bd0b-a003-4a88-897f-1e01513c93f5'
'TXXX:Artists'                                      'Giacomo Puccini'
'TXXX:CATALOGNUMBER'                                'S-5025'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '68995dc2-661a-4bfe-9ec2-4c3b94564de7'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a693df4a-8762-4a45-b7fd-6695b558385e'
'TXXX:MusicBrainz Release Group Id'                 '1930bc13-9d1c-41b2-9352-053c5acdc7ed'
'TXXX:MusicBrainz Release Track Id'                 'ac743be4-496a-3247-8d99-d4351575f411'
'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'                                      '1'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1958'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.527830'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6eaaf35a-9b4a-4f1a-a03c-d9279dfab364')

========================== row from database ==========================
                                              'id'  1479009
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1958 - Opera Without Words/03 - Un Bel Di.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  249
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  10094342
                                           'mtime'  1621705519
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1958 03 Bel Di electronic generic radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Opera Without Words
                                       'tag_title'  Madama Butterfly: Un bel dì
                                             'bpm'  134.0
                                    'search_title'  'bel':5 'butterfly':2,3 'di':6,7 'madama':1 'un':4
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'opera':1 'without':2 'words':3
                                     'search_rest'  '1958':6 'bel':7 'country':4 'di':8 'easy':12 'electronic':9 'exotica':2 'generic':10 'jazz':1 'listening':13 'oldies':3 'radio':11 'the':5
                                    'search_combo'  '101':8B '1958':19 'bel':5A,20 'butterfly':2A,3A 'country':17 'di':6A,7A,21 'easy':25 'electronic':22 'exotica':15 'generic':23 'jazz':14 'listening':26 'madama':1A 'oldies':16 'opera':11C 'orchestra':10B 'radio':24 'strings':9B 'the':18 'un':4A 'without':12C 'words':13C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-1', '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-bass-1']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705518.5493634  (2021-05-22 19:45:18)
                             'size'  10094342