======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '502'
                                          'artist'  "Swan's Silvertone Singers"
                                     'text_people'  ''
                                         'release'  'Gospel at Newport: Recorded Live at the Newport Festival 1959 & 1963-66'
                                           'title'  'Only Believe'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
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                                      'lastfmtags'  "['gospel']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '19'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-namerica'
                                             'bpm'  '142.910'
                                             'key'  '6B'
                                        'acoustid'  '9017ddc1-18c3-4342-ad66-7e94acd913f8'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Gospel at Newport: Recorded Live at the Newport Festival 1959 & 1963-66'
'TBPM' (BPM (beats per minute))                     '142.910'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-01-31'
'TIT2' (Title/songname/content description)         'Only Believe'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               "Swan's Silvertone Singers"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Vanguard Records'
'TRCK' (Track number/Position in set)               '2/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       "Swan's Silvertone Singers"
'TXXX:Acoustid Id'                                  '9017ddc1-18c3-4342-ad66-7e94acd913f8'
'TXXX:DISCID'                                       '1c122113'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '2acaba2b-6b67-4132-a714-918e17e462d4'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ad292c4b-b99e-4e7a-922c-200981e75d7e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   'gospel'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.612605'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9d55bed4-fd18-433b-900d-a0cd79df9c75')

========================== row from database ==========================
                                              'id'  502158
                                            'path'  /data/Music/Bulk/00localcharacter/gospel - gospel at newport - 1959 & 1963-66 (vanguard,1995)/02-only believe _ swan silvertone singers.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  502
                                           'genre'  loc-namerica
                                        'filesize'  16068408
                                           'mtime'  1621629917
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter gospel gospel newport (vanguard,1995) 02 only believe _ swan silvertone singers loc namerica
                                      'tag_artist'  Swan's Silvertone Singers
                                     'tag_release'  Gospel at Newport: Recorded Live at the Newport Festival 1959 & 1963-66
                                       'tag_title'  Only Believe
                                             'bpm'  142.91
                                    'search_title'  'believe':2 'only':1
                                   'search_artist'  's':2 'silvertone':4 'singers':5 'swan':1 'swans':3
                                  'search_release'  '1959':9 '1963':10 '196366':12 '66':11 'at':2 'festival':8 'gospel':1 'live':6 'newport':3,4 'recorded':5 'the':7
                                     'search_rest'  '1995':4,6 'believe':8 'gospel':1 'loc':12 'namerica':13 'newport':2 'only':7 'silvertone':10 'singers':11 'swan':9 'vanguard':3,5
                                    'search_combo'  '1959':16C '1963':17C '196366':19C '1995':23,25 '66':18C 'at':9C 'believe':2A,27 'festival':15C 'gospel':8C,20 'live':13C 'loc':31 'namerica':32 'newport':10C,11C,21 'only':1A,26 'recorded':12C 's':4B 'silvertone':6B,29 'singers':7B,30 'swan':3B,28 'swans':5B 'the':14C 'vanguard':22,24
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gospel']
                                        'tag_date'  1995
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621629917.0396018  (2021-05-21 22:45:17)
                             'size'  16068408