======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '143'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
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                                           'title'  'Raindrops Keep Fallin on My Head'
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '122.4'
                                             'key'  '3A'
                                        'acoustid'  '84c54f25-9d7d-4cb8-a118-79035704d102'
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Raindrops Keep Fallin on My Head'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Alshire Records'
'TRCK' (Track number/Position in set)               '8/10'
'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'                                  '84c54f25-9d7d-4cb8-a118-79035704d102'
'TXXX:Artists'                                      '101 Strings Orchestra'
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'TXXX:MusicBrainz Album Id'                         '2a65a879-1be3-45a7-a930-6d0e134c178f'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 '9c20804a-18dc-40c0-93e6-40592da565b4'
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'TXXX:Q-CHART'                                      '2'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1971'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.528568'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'90049210-7c98-4eaa-a248-8a059da9d792')

========================== row from database ==========================
                                              'id'  1479013
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1971 - Million Seller Hits/02 - Raindrops Keep Falling On My Head.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  143
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  2296065
                                           'mtime'  1621705531
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1971 02 Falling On electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Million Seller Hits
                                       'tag_title'  Raindrops Keep Fallin on My Head
                                             'bpm'  122.4
                                    'search_title'  'fallin':3 'head':6 'keep':2 'my':5 'on':4 'raindrops':1
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'hits':3 'million':1 'seller':2
                                     'search_rest'  '1971':6 'country':4 'easy':13 'electronic':9 'exotica':2 'falling':7 'generic':10 'jazz':1 'listening':14 'oldies':3 'on':8 'or':11 'radio':12 'the':5
                                    'search_combo'  '101':7B '1971':18 'country':16 'easy':25 'electronic':21 'exotica':14 'fallin':3A 'falling':19 'generic':22 'head':6A 'hits':12C 'jazz':13 'keep':2A 'listening':26 'million':10C 'my':5A 'oldies':15 'on':4A,20 'or':23 'orchestra':9B 'radio':24 'raindrops':1A 'seller':11C 'strings':8B 'the':17
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-3', '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-3']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705530.9068658  (2021-05-22 19:45:30)
                             'size'  2296065