======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '126'
                                          'artist'  'Willis Brothers'
                                     'text_people'  ''
                                         'release'  "24 Great Truck Drivin' Songs"
                                           'title'  "Truck Driver's Queen"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-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-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['truckers need grease for roads', 'country fuzz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '111.394'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:ô\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xf4\x11\x00\x00')
'PRIV:PeakValue:áu\x00\x00'                         PRIV(owner='PeakValue', data=b'\xe1u\x00\x00')
'TALB' (Album/Movie/Show title)                     "24 Great Truck Drivin' Songs"
'TBPM' (BPM (beats per minute))                     '111.394'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         "Truck Driver's Queen"
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Willis Brothers'
'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'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['truckers need grease for roads', 'country fuzz']
'TXXX:q-bass'                                       '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.651227'

========================== row from database ==========================
                                              'id'  1524117
                                            'path'  /data/Music/Bulk/00localcharacter/The Willis Brothers - 24 Great Truck Drivin_ Songs/19 - Willis Brothers - Truck Driver_s Queen.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  126
                                           'genre'  loc-namerica-country
                                        'filesize'  4066924
                                           'mtime'  1621629835
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter The Drivin_ 19 Driver_s loc namerica country
                                      'tag_artist'  Willis Brothers
                                     'tag_release'  24 Great Truck Drivin' Songs
                                       'tag_title'  Truck Driver's Queen
                                             'bpm'  111.394
                                    'search_title'  'driver':2 'drivers':4 'queen':5 's':3 'truck':1
                                   'search_artist'  'brothers':2 'willis':1
                                  'search_release'  '24':1 'drivin':4,5 'great':2 'songs':6 'truck':3
                                     'search_rest'  '19':3 'country':8 'driver':4 'drivin':2 'loc':6 'namerica':7 's':5 'the':1
                                    'search_combo'  '19':16 '24':8C 'brothers':7B 'country':21 'driver':2A,17 'drivers':4A 'drivin':11C,12C,15 'great':9C 'loc':19 'namerica':20 'queen':5A 's':3A,18 'songs':13C 'the':14 'truck':1A,10C 'willis':6B
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['truckers need grease for roads', 'country fuzz']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629835.0919104  (2021-05-21 22:43:55)
                             'size'  4066924