======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '266'
                                          'artist'  'Hermes House Band'
                                     'text_people'  ''
                                         'release'  'Country Roads'
                                           'title'  'Country Roads (Happy Party Extended Version)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'cover', 'pop', 'german', 'dutch', 'party']"
                                     'discogstags'  "['electronic', 'pop', 'europop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '7'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '99.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Country Roads'
'TBPM' (BPM (beats per minute))                     '99.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Country Roads (Happy Party Extended Version)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hermes House Band'
'TRCK' (Track number/Position in set)               '7/7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'pop', 'europop']
'TXXX:lastfmtags'                                   ['dance', 'cover', 'pop', 'german', 'dutch', 'party']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.440300'

========================== row from database ==========================
                                              'id'  1465997
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Top 40/Hermes House Band - Country Roads.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  266
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  4265984
                                           'mtime'  1621695902
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Top 40 electronic generic or radio dance
                                      'tag_artist'  Hermes House Band
                                     'tag_release'  Country Roads
                                       'tag_title'  Country Roads (Happy Party Extended Version)
                                             'bpm'  99.8
                                    'search_title'  'country':1 'extended':6 'happy':3,4 'party':5 'roads':2 'version':7,8
                                   'search_artist'  'band':3 'hermes':1 'house':2
                                  'search_release'  'country':1 'roads':2
                                     'search_rest'  '00poprockelectronic':1 '40':6 'dance':3 'electronic':7 'generic':2 'or':8 'radio':9 'top':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':14 '40':19 'band':11B 'country':1A,12C 'dance':16 'electronic':20 'extended':6A 'generic':15 'happy':3A,4A 'hermes':9B 'house':10B 'or':21 'party':5A 'radio':22 'roads':2A,13C 'top':18 'trapbeat':17 'version':7A,8A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'cover', 'pop', 'german', 'dutch', 'party']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'pop', 'europop']

============================== file details ==============================
                                           'mtime'  1621695901.9787426  (2021-05-22 17:05:01)
                             'size'  4265984