======================== unified (from filesystem) ========================
                                         'bitrate'  '208.347'
                                        'duration'  '231'
                                          'artist'  'Red Sovine'
                                     'text_people'  'Michael Pierce/Woodrow Sovine'
                                         'release'  ''
                                           'title'  'Little Rosa'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['classic country', 'spoken word', 'country', 'honky tonk', 'country and "
 "western', 'rockabilly']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '143.011'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '143.011'
'TCOM' (Composer)                                   'Michael Pierce/Woodrow Sovine'
'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)         'Little Rosa'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Sovine'
'TPE2' (Band/orchestra/accompaniment)               'Red Sovine'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ace'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Band/orchestra/accompaniment'                 'Red Sovine'
'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'                                   ['classic country',
 'spoken word',
 'country',
 'honky tonk',
 'country and western',
 'rockabilly']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.05 dB'
'TXXX:replaygain_track_peak'                        '0.603957'

========================== row from database ==========================
                                              'id'  967073
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Red Sovine - Little Rosa.wma.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  231
                                           'genre'  loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6027282
                                           'mtime'  1621628272
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Rosa.wma loc namerica country;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Red Sovine
                                     'tag_release'  None
                                       'tag_title'  Little Rosa
                                             'bpm'  143.011
                                    'search_title'  'little':1 'rosa':2
                                   'search_artist'  'red':1 'sovine':2
                                  'search_release'  
                                     'search_rest'  'country':4,12,14 'exotica':2 'jazz':1 'loc':10 'mor':21 'music':6 'namerica':11 'old':5 'oldies':3 'pl':16 'rosa':7 'rosawma':9 'set':13,15,18,20 'shirleyspinoza':17,19 'wma':8
                                    'search_combo'  'country':8,16,18 'exotica':6 'jazz':5 'little':1A 'loc':14 'mor':25 'music':10 'namerica':15 'old':9 'oldies':7 'pl':20 'red':3B 'rosa':2A,11 'rosawma':13 'set':17,19,22,24 'shirleyspinoza':21,23 'sovine':4B 'wma':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'spoken word', 'country', 'honky tonk', 'country and western', 'rockabilly']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628271.5472147  (2021-05-21 22:17:51)
                             'size'  6027282