======================== unified (from filesystem) ========================
                                         'bitrate'  '198.4'
                                        'duration'  '149'
                                          'artist'  'Marvin Gaye & Tammi Terrell'
                                     'text_people'  ''
                                         'release'  'Guardians of the Galaxy'
                                           'title'  "Ain't No Mountain High Enough"
                                           'quals'  ("['q-grit-2', 'q-busy-3', 'q-other-2', 'q-unu-1', 'q-syn-2', 'q-jzfks-3', "
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                                      'lastfmtags'  "['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  'afdb7919-059d-43c1-b668-ba1d265e7e42'
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'set-pl-guardians of the galaxy'
                                             'bpm'  '128.986'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'Guardians of the Galaxy'
'album genre allmusic'                              ['Pop/Rock', 'Stage & Screen', 'Soundtracks']
'album genre last.fm'                               'Soundtrack'
'album rating allmusic'                             '6'
'albumartist'                                       'Various Artists'
'albumname'                                         'Guardians of the Galaxy'
'ar_array'                                          ['Marvin Gaye & Tammi Terrell',
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 'United States',
 'Collaboration',
 '£',
 '£',
 '£']
'ar_string'                                         ('Marvin Gaye & Tammi Terrell/ afdb7919-059d-43c1-b668-ba1d265e7e42/ United '
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'artist'                                            'Marvin Gaye & Tammi Terrell'
'artist genre last.fm'                              ['Soul', 'Motown', 'RnB', 'Duet', 'Oldies', '60s']
'artist type'                                       'Collaboration'
'bpm'                                               '128.986'
'catalognr'                                         'D002014802'
'country'                                           'United States'
'country_id'                                        '2954837636'
'date'                                              '2014'
'discnumber'                                        '1'
'disctotal'                                         '2'
'era'                                               '1960s'
'era_id'                                            '3790364247'
'fingerprint'                                       '281289555'
'foo_album_id'                                      '2418630999'
'foo_artist_id'                                     '2856091370'
'foo_id'                                            '3382134167'
'foo_id2'                                           '498906975'
'gender'                                            'Mixed'
'genre'                                             'set-pl-guardians of the galaxy'
'genre_array'                                       ['RnB',
 'Soul',
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 'Pop Soul',
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 '1377989535',
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 'Pop Soul',
 '1377989535',
 '‡',
 '‡']
'gl_string'                                         'Pop Soul/ Soul/ RnB'
'key'                                               '10A'
'language'                                          'English'
'lastfmtags'                                        ['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']
'musicbrainz_artistid'                              'afdb7919-059d-43c1-b668-ba1d265e7e42'
'organization'                                      'Hollywood Records'
'play_counter'                                      '0'
'q-bass'                                            '4'
'q-busy'                                            '3'
'q-chart'                                           '3'
'q-drums'                                           '2'
'q-grit'                                            '2'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '2'
'q-jzfks'                                           '3'
'q-localness'                                       '1'
'q-mixbeat'                                         '2'
'q-oldst'                                           '2'
'q-other'                                           '2'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '2'
'q-unu'                                             '1'
'q-vocals'                                          '4'
'release type'                                      'Soundtrack'
'replaygain_track_gain'                             '-8.80 dB'
'replaygain_track_peak'                             '1.015041'
'similar artist'                                    ['Marvin Gaye & Kim Weston',
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 'Diana Ross & Marvin Gaye',
 'The Miracles',
 'Jr. Walker & The All Stars']
'title'                                             "Ain't No Mountain High Enough"
'tracknumber'                                       '12'
'tracktotal'                                        '12'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0playlists/[cd1] awesome mix vol.1/12 - Marvin Gaye and Tammi Terrell - Ain_t No Mountain High Enough.ogg
                                         'working'  None
                                         'bitrate'  198
                                    'duration_sec'  149
                                           'genre'  set-pl-guardians of the galaxy
                                        'filesize'  2641258
                                           'mtime'  1620533205
                                   'redo_metaread'  0
                                        'rest_str'   0playlists [cd1] awesome mix vol.1 12 and Ain_t set pl guardians galaxy
                                      'tag_artist'  Marvin Gaye & Tammi Terrell
                                     'tag_release'  Guardians of the Galaxy
                                       'tag_title'  Ain't No Mountain High Enough
                                             'bpm'  128.986
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                                   'search_artist'  'gaye':2 'marvin':1 'tammi':3 'terrell':4
                                  'search_release'  'galaxy':4 'guardians':1 'of':2 'the':3
                                     'search_rest'  '0playlists':1 '1':7 'ain':10 'and':9 'awesome':4 'cd1':2,3 'galaxy':15 'guardians':14 'mix':5 'pl':13 'set':12 't':11 'vol':6 'vol1':8
                                    'search_combo'  '0playlists':16 '1':22 'ain':1A,25 'aint':3A 'and':24 'awesome':19 'cd1':17,18 'enough':7A 'galaxy':15C,30 'gaye':9B 'guardians':12C,29 'high':6A 'marvin':8B 'mix':20 'mountain':5A 'no':4A 'of':13C 'pl':28 'set':27 't':2A,26 'tammi':10B 'terrell':11B 'the':14C 'vol':21 'vol1':23
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['q-mixbeat-2', 'q-hhrnbtt-2', 'q-chart-3', 'q-other-2', 'q-oldst-2', 'q-hap-3', 'q-drums-2', 'q-unu-1', 'q-busy-3', 'q-localness-1', 'q-jzfks-3', 'q-grit-2', 'q-piano-1', 'q-syn-2', 'q-play-3', 'q-bass-4', 'q-vocals-4']
                                      'lastfmtags'  ['soul', 'motown', 'rhythm and blues', 'duets', 'oldies']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533205.4560766  (2021-05-09 06:06:45)
                             'size'  2641258