======================== unified (from filesystem) ========================
                                         'bitrate'  '111.656'
                                        'duration'  '166'
                                          'artist'  'Hank Williams, Sr'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "HONKY TONKIN'(1950)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'classic country', 'folk', 'singer-songwriter', 'hank williams']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.267'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 ['loc-namerica-country', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         "HONKY TONKIN'(1950)"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hank Williams, Sr'
'TPE2' (Band/orchestra/accompaniment)               'Hank Williams, Sr'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/OriginalReleaseTime'                       '1950'
'TXXX:lastfmtags'                                   ['country', 'classic country', 'folk', 'singer-songwriter', 'hank williams']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.84 dB'
'TXXX:replaygain_track_peak'                        '0.430158'

========================== row from database ==========================
                                              'id'  1500583
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Hank Williams Sr - HONKY TONKIN_(1950).wma.mp3
                                         'working'  None
                                         'bitrate'  111
                                    'duration_sec'  166
                                           'genre'  loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2320271
                                           'mtime'  1621628153
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music TONKIN_(1950).wma loc namerica country;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Hank Williams, Sr
                                     'tag_release'  None
                                       'tag_title'  HONKY TONKIN'(1950)
                                             'bpm'  145.267
                                    'search_title'  '1950':3 'honky':1 'tonkin':2 'tonkin1950':4
                                   'search_artist'  'hank':1 'sr':4 'williams':2,3
                                  'search_release'  
                                     'search_rest'  '1950':8 '1950wma':11 'country':4,14,16 'exotica':2 'jazz':1 'loc':12 'mor':23 'music':6 'namerica':13 'old':5 'oldies':3 'pl':18 'set':15,17,20,22 'shirleyspinoza':19,21 'tonkin':7,10 'wma':9
                                    'search_combo'  '1950':3A,16 '1950wma':19 'country':12,22,24 'exotica':10 'hank':5B 'honky':1A 'jazz':9 'loc':20 'mor':31 'music':14 'namerica':21 'old':13 'oldies':11 'pl':26 'set':23,25,28,30 'shirleyspinoza':27,29 'sr':8B 'tonkin':2A,15,18 'tonkin1950':4A 'williams':6B,7B 'wma':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'classic country', 'folk', 'singer-songwriter', 'hank williams']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628152.711371  (2021-05-21 22:15:52)
                             'size'  2320271