======================== unified (from filesystem) ========================
                                         'bitrate'  '260.441'
                                        'duration'  '278'
                                          'artist'  'Lynyrd Skynyrd'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Sweet Home Alabama'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hard rock', 'southern rock', 'rock', '70s', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '96.946'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '96.946'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Sweet Home Alabama'
'TKEY' (Initial key)                                '9B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Lynyrd Skynyrd'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.360039'

========================== row from database ==========================
                                              'id'  978245
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/119-lynyrd_skynyrd-sweet_home_alabama-gti.mp3
                                         'working'  None
                                         'bitrate'  260
                                    'duration_sec'  278
                                           'genre'  loc-namerica-country
                                        'filesize'  9065147
                                           'mtime'  1621628421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 119 lynyrd_skynyrd sweet_home_alabama gti loc namerica country
                                      'tag_artist'  Lynyrd Skynyrd
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Sweet Home Alabama
                                             'bpm'  96.946
                                    'search_title'  'alabama':3 'home':2 'sweet':1
                                   'search_artist'  'lynyrd':1 'skynyrd':2
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '119':15 '2013':13 '2cd':12 'alabama':20 'and':10 'best':8 'bluegrass':11 'country':4,9 'exotica':2 'gti':14 'home':19 'jazz':1 'loc':21 'lynyrd':16 'namerica':22 'oldies':3 'skynyrd':17 'sweet':18 'the':6 'va':5 'very':7
                                    'search_combo'  '119':26 '2013':24 '2cd':23 'alabama':3A,31 'and':10C,21 'best':8C,19 'bluegrass':11C,22 'country':9C,15,20 'exotica':13 'gti':25 'home':2A,30 'jazz':12 'loc':32 'lynyrd':4B,27 'namerica':33 'oldies':14 'skynyrd':5B,28 'sweet':1A,29 'the':6C,17 'va':16 'very':7C,18
                                    'tag_tracknum'  19
                                      '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-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621628421.2601213  (2021-05-21 22:20:21)
                             'size'  9065147