======================== unified (from filesystem) ========================
                                         'bitrate'  '262.972'
                                        'duration'  '227'
                                          'artist'  'C.W. Mccall'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Convoy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', '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'  "['country', 'classic country', 'trucker', 'singer-songwriter', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '112.321'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '112.321'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Convoy'
'TKEY' (Initial key)                                '5A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'C.W. Mccall'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '7'
'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', 'classic country', 'trucker', 'singer-songwriter', '70s']
'TXXX:q-bass'                                       '3'
'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'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.471915'

========================== row from database ==========================
                                              'id'  978414
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/107-c.w._mccall-convoy-gti.mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  227
                                           'genre'  loc-namerica-country
                                        'filesize'  7471031
                                           'mtime'  1621628414
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 107 c.w._mccall convoy gti loc namerica country
                                      'tag_artist'  C.W. Mccall
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Convoy
                                             'bpm'  112.321
                                    'search_title'  'convoy':1
                                   'search_artist'  'c':1 'cw':3 'mccall':4 'w':2
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '107':15 '2013':13 '2cd':12 'and':10 'best':8 'bluegrass':11 'c':16 'convoy':21 'country':4,9 'cw':19 'exotica':2 'gti':14 'jazz':1 'loc':22 'mccall':18,20 'namerica':23 'oldies':3 'the':6 'va':5 'very':7 'w':17
                                    'search_combo'  '107':26 '2013':24 '2cd':23 'and':10C,21 'best':8C,19 'bluegrass':11C,22 'c':2B,27 'convoy':1A,32 'country':9C,15,20 'cw':4B,30 'exotica':13 'gti':25 'jazz':12 'loc':33 'mccall':5B,29,31 'namerica':34 'oldies':14 'the':6C,17 'va':16 'very':7C,18 'w':3B,28
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  5A
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'classic country', 'trucker', 'singer-songwriter', '70s']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628413.6585088  (2021-05-21 22:20:13)
                             'size'  7471031