======================== unified (from filesystem) ========================
                                         'bitrate'  '235.052'
                                        'duration'  '140'
                                          'artist'  'Hank Thompson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Pick Me Up On Your Way Down'
                                           '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-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['classic country', 'country', 'honky tonk', 'early country', 'western "
 "swing', 'hman now']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '84.070'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '84.070'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'Pick Me Up On Your Way Down'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hank Thompson'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Length'                                       '140239'
'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',
 'country',
 'honky tonk',
 'early country',
 'western swing',
 'hman now']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.537061'

========================== row from database ==========================
                                              'id'  966473
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Hank Thompson - Pick Me Up On Your Way Down.wma.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  140
                                           'genre'  loc-namerica-country
                                        'filesize'  4128733
                                           'mtime'  1621628147
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Down.wma loc namerica country
                                      'tag_artist'  Hank Thompson
                                     'tag_release'  None
                                       'tag_title'  Pick Me Up On Your Way Down
                                             'bpm'  84.07
                                    'search_title'  'down':7 'me':2 'on':4 'pick':1 'up':3 'way':6 'your':5
                                   'search_artist'  'hank':1 'thompson':2
                                  'search_release'  
                                     'search_rest'  'country':4 'down':7 'downwma':9 'exotica':2 'jazz':1 'loc':10 'music':6 'namerica':11 'old':5 'oldies':3 'wma':8
                                    'search_combo'  'country':13 'down':7A,16 'downwma':18 'exotica':11 'hank':8B 'jazz':10 'loc':19 'me':2A 'music':15 'namerica':20 'old':14 'oldies':12 'on':4A 'pick':1A 'thompson':9B 'up':3A 'way':6A 'wma':17 'your':5A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           '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-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['classic country', 'country', 'honky tonk', 'early country', 'western swing', 'hman now']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628147.2219439  (2021-05-21 22:15:47)
                             'size'  4128733