======================== unified (from filesystem) ========================
                                         'bitrate'  '206.416'
                                        'duration'  '205'
                                          'artist'  'Client'
                                     'text_people'  ''
                                         'release'  'City'
                                           'title'  "It's Rock and Roll"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '126.965'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'City'
'TBPM' (BPM (beats per minute))                     '126.965'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         "It's Rock and Roll"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Client'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.429425'

========================== row from database ==========================
                                              'id'  1353334
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/Client/Client - 2004 - City - 12 - Its Rock And Roll.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  205
                                           'genre'  electronic-we-electroclash
                                        'filesize'  5318528
                                           'mtime'  1621637184
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash 2004 12 Its And electronic we electroclash
                                      'tag_artist'  Client
                                     'tag_release'  City
                                       'tag_title'  It's Rock and Roll
                                             'bpm'  126.965
                                    'search_title'  'and':5 'it':1 'its':3 'rock':4 'roll':6 's':2
                                   'search_artist'  'client':1
                                  'search_release'  'city':1
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 '2004':3 'and':5 'electroclash':8 'electronic':6 'its':4 'we':7
                                    'search_combo'  '00clash':10 '00poprockelectronic':9 '2004':11 'and':5A,13 'city':8C 'client':7B 'electroclash':16 'electronic':14 'it':1A 'its':3A,12 'rock':4A 'roll':6A 's':2A 'we':15
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'female vocalists', 'electroclash', 'electronic', 'synthpop']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621637184.4749317  (2021-05-22 00:46:24)
                             'size'  5318528