======================== unified (from filesystem) ========================
                                         'bitrate'  '156.735'
                                        'duration'  '171'
                                          'artist'  'ROY  ACUFF'
                                     'text_people'  ''
                                         'release'  "DON'T BRING LULU was a 20's hit song"
                                           'title'  'BANG AWAY MY LULU'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
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 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['country', 'classic country', 'singer-songwriter', '30s', 'americana']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.580'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "DON'T BRING LULU was a 20's hit song"
'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'BANG AWAY MY LULU'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'ROY  ACUFF'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'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:lastfmtags'                                   ['country', 'classic country', 'singer-songwriter', '30s', 'americana']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.470866'

========================== row from database ==========================
                                              'id'  966682
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Roy Acuff - Bang away my Lulu 1936.wma.mp3
                                         'working'  None
                                         'bitrate'  156
                                    'duration_sec'  171
                                           'genre'  loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3369926
                                           'mtime'  1621628277
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Roy Acuff Bang away my Lulu 1936.wma loc namerica country;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  ROY  ACUFF
                                     'tag_release'  DON'T BRING LULU was a 20's hit song
                                       'tag_title'  BANG AWAY MY LULU
                                             'bpm'  145.58
                                    'search_title'  'away':2 'bang':1 'lulu':4 'my':3
                                   'search_artist'  'acuff':2 'roy':1
                                  'search_release'  '20':8 '20s':10 'a':7 'bring':4 'don':1 'dont':3 'hit':11 'lulu':5 's':9 'song':12 't':2 'was':6
                                     'search_rest'  '1936':13 '1936wma':15 'acuff':8 'away':10 'bang':9 'country':4,18,20 'exotica':2 'jazz':1 'loc':16 'lulu':12 'mor':27 'music':6 'my':11 'namerica':17 'old':5 'oldies':3 'pl':22 'roy':7 'set':19,21,24,26 'shirleyspinoza':23,25 'wma':14
                                    'search_combo'  '1936':31 '1936wma':33 '20':14C '20s':16C 'a':13C 'acuff':6B,26 'away':2A,28 'bang':1A,27 'bring':10C 'country':22,36,38 'don':7C 'dont':9C 'exotica':20 'hit':17C 'jazz':19 'loc':34 'lulu':4A,11C,30 'mor':45 'music':24 'my':3A,29 'namerica':35 'old':23 'oldies':21 'pl':40 'roy':5B,25 's':15C 'set':37,39,42,44 'shirleyspinoza':41,43 'song':18C 't':8C 'was':12C 'wma':32
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['country', 'classic country', 'singer-songwriter', '30s', 'americana']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628277.291685  (2021-05-21 22:17:57)
                             'size'  3369926