======================== unified (from filesystem) ========================
                                         'bitrate'  '154.781'
                                        'duration'  '148'
                                          'artist'  'Red Sovine'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Intoxicated Rat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', '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'  ("['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'  '107.778'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '107.778'
'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)         'The Intoxicated Rat'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Sovine'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Length'                                       '148245'
'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'                                       '2'
'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'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.508817'

========================== row from database ==========================
                                              'id'  967558
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Red Sovine - The Intoxicated Rat.wma.mp3
                                         'working'  None
                                         'bitrate'  154
                                    'duration_sec'  148
                                           'genre'  loc-namerica-country;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  2875542
                                           'mtime'  1621628272
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Rat.wma loc namerica country;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Red Sovine
                                     'tag_release'  None
                                       'tag_title'  The Intoxicated Rat
                                             'bpm'  107.778
                                    'search_title'  'intoxicated':2 'rat':3 'the':1
                                   '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 'rat':7 'ratwma':9 'set':13,15,18,20 'shirleyspinoza':17,19 'wma':8
                                    'search_combo'  'country':9,17,19 'exotica':7 'intoxicated':2A 'jazz':6 'loc':15 'mor':26 'music':11 'namerica':16 'old':10 'oldies':8 'pl':21 'rat':3A,12 'ratwma':14 'red':4B 'set':18,20,23,25 'shirleyspinoza':22,24 'sovine':5B 'the':1A 'wma':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           '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-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'spoken word', 'country', 'honky tonk', 'country and western', 'rockabilly']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628272.1363714  (2021-05-21 22:17:52)
                             'size'  2875542