======================== unified (from filesystem) ========================
                                         'bitrate'  '236.997'
                                        'duration'  '169'
                                          'artist'  'Waylon Jennings'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Love of the Common People'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', '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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'outlaw country', 'americana', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '118.152'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '118.152'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Love of the Common People'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Waylon Jennings'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'outlaw country', 'americana', 'classic country']
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.504735'

========================== row from database ==========================
                                              'id'  978492
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/104-waylon_jennings-love_of_the_common_people-gti.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  169
                                           'genre'  loc-namerica-country
                                        'filesize'  5022530
                                           'mtime'  1621628414
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 104 waylon_jennings love_of_the_common_people gti loc namerica country
                                      'tag_artist'  Waylon Jennings
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Love of the Common People
                                             'bpm'  118.152
                                    'search_title'  'common':4 'love':1 'of':2 'people':5 'the':3
                                   'search_artist'  'jennings':2 'waylon':1
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '104':15 '2013':13 '2cd':12 'and':10 'best':8 'bluegrass':11 'common':21 'country':4,9 'exotica':2 'gti':14 'jazz':1 'jennings':17 'loc':23 'love':18 'namerica':24 'of':19 'oldies':3 'people':22 'the':6,20 'va':5 'very':7 'waylon':16
                                    'search_combo'  '104':28 '2013':26 '2cd':25 'and':12C,23 'best':10C,21 'bluegrass':13C,24 'common':4A,34 'country':11C,17,22 'exotica':15 'gti':27 'jazz':14 'jennings':7B,30 'loc':36 'love':1A,31 'namerica':37 'of':2A,32 'oldies':16 'people':5A,35 'the':3A,8C,19,33 'va':18 'very':9C,20 'waylon':6B,29
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', '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'  ['country', 'outlaw country', 'americana', 'classic country']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628413.6414847  (2021-05-21 22:20:13)
                             'size'  5022530