======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '145'
                                          'artist'  'Mallet Men'
                                     'text_people'  ''
                                         'release'  'Ultra-Lounge, Vol. 6: Rhapsodesia'
                                           'title'  'Smoke Gets in Your Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['illstreet', 'all', 'jazz', 'drjazzmrfunkmusic', 'saint tropez']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1961'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '92.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ultra-Lounge, Vol. 6: Rhapsodesia'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1961'
'TIT2' (Title/songname/content description)         'Smoke Gets in Your Eyes'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '145214'
'TPE1' (Lead performer(s)/Soloist(s))               'Mallet Men'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['illstreet', 'all', 'jazz', 'drjazzmrfunkmusic', 'saint tropez']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.824510'

========================== row from database ==========================
                                              'id'  746267
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - space age pop & mid century domestics (jingles & themes)/(1961) mallet men - smoke gets in your eyes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  145
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3495393
                                           'mtime'  1620539432
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va space age pop & mid century domestics (jingles & themes) (1961) mallet men smoke gets your eyes prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Mallet Men
                                     'tag_release'  Ultra-Lounge, Vol. 6: Rhapsodesia
                                       'tag_title'  Smoke Gets in Your Eyes
                                             'bpm'  92.9
                                    'search_title'  'eyes':5 'gets':2 'in':3 'smoke':1 'your':4
                                   'search_artist'  'mallet':1 'men':2
                                  'search_release'  '6':6,7 'lounge':2 'rhapsodesia':8 'ultra':1 'ultralounge':3 'vol':4,5
                                     'search_rest'  '1961':12,13 'age':3 'bossa':26 'century':6 'domestics':7 'exotica':25 'eyes':19 'gets':17 'jazz':22 'jb':21 'jingles':8,9 'lounge':23 'mallet':14 'men':15 'mid':5 'or':24 'pop':4 'prerock':20 'smoke':16 'space':2 'themes':10,11 'va':1 'your':18
                                    'search_combo'  '1961':27,28 '6':13C,14C 'age':18 'bossa':41 'century':21 'domestics':22 'exotica':40 'eyes':5A,34 'gets':2A,32 'in':3A 'jazz':37 'jb':36 'jingles':23,24 'lounge':9C,38 'mallet':6B,29 'men':7B,30 'mid':20 'or':39 'pop':19 'prerock':35 'rhapsodesia':15C 'smoke':1A,31 'space':17 'themes':25,26 'ultra':8C 'ultralounge':10C 'va':16 'vol':11C,12C 'your':4A,33
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', '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'  ['illstreet', 'all', 'jazz', 'drjazzmrfunkmusic', 'saint tropez']
                                        'tag_date'  1961
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539432.2041798  (2021-05-09 07:50:32)
                             'size'  3495393