======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '165'
                                          'artist'  'Julius LaRosa'
                                     'text_people'  ''
                                         'release'  'Golden Classics Edition'
                                           'title'  "Suddenly There's A Valley"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'american', 'oldies', 'pop', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '150'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-italian'
                                             'bpm'  '136.920'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Golden Classics Edition'
'TBPM' (BPM (beats per minute))                     '136.920'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-italian'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "Suddenly There's A Valley"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '165955'
'TPE1' (Lead performer(s)/Soloist(s))               'Julius LaRosa'
'TRCK' (Track number/Position in set)               '150'
'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'                                   ['male vocalists', 'american', 'oldies', 'pop', 'italian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.419329'

========================== row from database ==========================
                                              'id'  1522058
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-150 - Julius LaRosa - Suddenly There_s A Valley.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  165
                                           'genre'  prerock-vocal-italian
                                        'filesize'  6649201
                                           'mtime'  1621625773
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 150 There_s prerock vocal italian
                                      'tag_artist'  Julius LaRosa
                                     'tag_release'  Golden Classics Edition
                                       'tag_title'  Suddenly There's A Valley
                                             'bpm'  136.92
                                    'search_title'  'a':5 's':3 'suddenly':1 'there':2 'theres':4 'valley':6
                                   'search_artist'  'julius':1 'la':3 'larosa':2 'rosa':4
                                  'search_release'  'classics':2 'edition':3 'golden':1
                                     'search_rest'  '00oldiepop':5 '150':7 '1955':6 'country':4 'exotica':2 'italian':12 'jazz':1 'oldies':3 'prerock':10 's':9 'there':8 'vocal':11
                                    'search_combo'  '00oldiepop':18 '150':20 '1955':19 'a':5A 'classics':12C 'country':17 'edition':13C 'exotica':15 'golden':11C 'italian':25 'jazz':14 'julius':7B 'la':9B 'larosa':8B 'oldies':16 'prerock':23 'rosa':10B 's':3A,22 'suddenly':1A 'there':2A,21 'theres':4A 'valley':6A 'vocal':24
                                    'tag_tracknum'  150
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['male vocalists', 'american', 'oldies', 'pop', 'italian']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625772.7706797  (2021-05-21 21:36:12)
                             'size'  6649201