======================== unified (from filesystem) ========================
                                         'bitrate'  '132.491'
                                        'duration'  '182'
                                          'artist'  'Ben Selvin & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Wherever You Are'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['charleston', 'all', 'jazz', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '185'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '116.053'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #16 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '116.053'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1928'
'TENC' (Encoded by)                                 'SoundJam v2.5.1'
'TIT2' (Title/songname/content description)         'Wherever You Are'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ben Selvin & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '185'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['charleston', 'all', 'jazz', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.40 dB'
'TXXX:replaygain_track_peak'                        '0.591184'

========================== row from database ==========================
                                              'id'  978516
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_185 - Ben Selvin & His Orchestra - Wherever You Are VBR 132 M (3.02).mp3
                                         'working'  None
                                         'bitrate'  132
                                    'duration_sec'  182
                                           'genre'  prerock-band
                                        'filesize'  3020401
                                           'mtime'  1620561410
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_185 VBR 132 M (3.02) prerock band
                                      'tag_artist'  Ben Selvin & His Orchestra
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Wherever You Are
                                             'bpm'  116.053
                                    'search_title'  'are':3 'wherever':1 'you':2
                                   'search_artist'  'ben':1 'his':3 'orchestra':4 'selvin':2
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '02':11 '132':8 '185':6 '1928':5 '3':10 '302':12 'band':14 'country':4 'exotica':2 'jazz':1 'm':9 'oldies':3 'prerock':13 'vbr':7
                                    'search_combo'  '02':20 '132':17 '185':15 '1928':9C,14 '3':19 '302':21 'are':3A 'band':23 'ben':4B 'billboard':8C 'country':13 'exotica':11 'his':6B 'jazz':10 'm':18 'oldies':12 'orchestra':7B 'prerock':22 'selvin':5B 'vbr':16 'wherever':1A 'you':2A
                                    'tag_tracknum'  185
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['charleston', 'all', 'jazz', 'oldies', 'swing']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561409.834101  (2021-05-09 13:56:49)
                             'size'  3020401