======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '305'
                                          'artist'  'Joe Cocker'
                                     'text_people'  ''
                                         'release'  'Time-Life Music: Classic Rock: The Beat Goes On: 1968'
                                           'title'  'With a Little Help From My Friends'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues rock', 'blues', 'rock', 'soul', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early-blues'
                                             'bpm'  '142.708'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Time-Life Music: Classic Rock: The Beat Goes On: 1968'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-blues'
'TIT2' (Title/songname/content description)         'With a Little Help From My Friends'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Joe Cocker'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'rock', 'soul', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.614326'

========================== row from database ==========================
                                              'id'  1491494
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Joe Cocker - With a Little Help From My Friends - Time-Life Music Classic Rock The Beat Goes On 1968.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  305
                                           'genre'  rock-pop-early-blues
                                        'filesize'  4892904
                                           'mtime'  1620736575
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch rock pop early blues
                                      'tag_artist'  Joe Cocker
                                     'tag_release'  Time-Life Music: Classic Rock: The Beat Goes On: 1968
                                       'tag_title'  With a Little Help From My Friends
                                             'bpm'  142.708
                                    'search_title'  'a':2 'friends':7 'from':5 'help':4 'little':3 'my':6 'with':1
                                   'search_artist'  'cocker':2 'joe':1
                                  'search_release'  '1968':14 'beat':10 'classic':6 'goes':11 'life':2 'music':4,5 'on':12,13 'rock':7,8 'the':9 'time':1 'timelife':3
                                     'search_rest'  '00dutch':4 '00mid':1 'blues':8 'early':7 'europe':3 'north':2 'pop':6 'rock':5
                                    'search_combo'  '00dutch':27 '00mid':24 '1968':23C 'a':2A 'beat':19C 'blues':31 'classic':15C 'cocker':9B 'early':30 'europe':26 'friends':7A 'from':5A 'goes':20C 'help':4A 'joe':8B 'life':11C 'little':3A 'music':13C,14C 'my':6A 'north':25 'on':21C,22C 'pop':29 'rock':16C,17C,28 'the':18C 'time':10C 'timelife':12C 'with':1A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'blues', 'rock', 'soul', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736574.6086402  (2021-05-11 14:36:14)
                             'size'  4892904