======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '138'
                                          'artist'  'The Rythm Rockers'
                                     'text_people'  ''
                                         'release'  "Desperate Rock'N'Roll Vol. 14"
                                           'title'  "Teenager's Party"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rockabilly', 'surf', 'rock and roll', 'all', 'surf rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '114.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Desperate Rock'N'Roll Vol. 14"
'TBPM' (BPM (beats per minute))                     '114.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TIT2' (Title/songname/content description)         "Teenager's Party"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Rythm Rockers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rockabilly', 'surf', 'rock and roll', 'all', 'surf rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.463411'

========================== row from database ==========================
                                              'id'  1531912
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Desperate Rock_N_Roll Vol. 14/B2 - The Rhythm Rockers - Teenager_s Party.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  138
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  2372707
                                           'mtime'  1622659490
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Rock_N_Roll B2 Rhythm Teenager_s rock pop early rocknroll
                                      'tag_artist'  The Rythm Rockers
                                     'tag_release'  Desperate Rock'N'Roll Vol. 14
                                       'tag_title'  Teenager's Party
                                             'bpm'  114.7
                                    'search_title'  'party':4 's':2 'teenager':1 'teenagers':3
                                   'search_artist'  'rockers':3 'rythm':2 'the':1
                                  'search_release'  'desperate':1 'n':3 'rock':2 'rocknroll':5 'roll':4 'vol':6,7
                                     'search_rest'  'b2':5 'early':11 'n':3 'pop':10 'rhythm':6 'rock':2,9 'rocknroll':12 'roll':4 's':8 'teenager':7 'va':1
                                    'search_combo'  'b2':19 'desperate':8C 'early':25 'n':10C,17 'party':4A 'pop':24 'rhythm':20 'rock':9C,16,23 'rockers':7B 'rocknroll':12C,26 'roll':11C,18 'rythm':6B 's':2A,22 'teenager':1A,21 'teenagers':3A 'the':5B 'va':15 'vol':13C,14C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'surf', 'rock and roll', 'all', 'surf rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659490.3454177  (2021-06-02 20:44:50)
                             'size'  2372707