======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'Walter Wanderley'
                                     'text_people'  ''
                                         'release'  'Hammond Bossa From Brasil'
                                           'title'  'Beloved Melancholy (Saudade Querida)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-3', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bossa nova', 'lounge', 'jazz', 'illstreet', 'brazil']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '18'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '144.233'
                                             'key'  '10B'
                                        'acoustid'  '0557f22a-6a01-4344-93d6-1e95b025284b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hammond Bossa From Brasil'
'TBPM' (BPM (beats per minute))                     '144.233'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-05-25'
'TIT2' (Title/songname/content description)         'Beloved Melancholy (Saudade Querida)'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Walter Wanderley'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Verve'
'TRCK' (Track number/Position in set)               '6/18'
'TSO2'                                              'Wanderley, Walter'
'TSOP' (Performer sort order)                       'Wanderley, Walter'
'TXXX:ASIN'                                         'B000OCZ7PC'
'TXXX:Acoustid Id'                                  '0557f22a-6a01-4344-93d6-1e95b025284b'
'TXXX:BARCODE'                                      '0602498479926'
'TXXX:MusicBrainz Album Artist Id'                  '9e031ad0-8f7f-44ab-905e-6ed093eca2e3'
'TXXX:MusicBrainz Album Id'                         '83979ac2-73fb-478b-aed7-50c32f20d1cf'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '9e031ad0-8f7f-44ab-905e-6ed093eca2e3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['bossa nova', 'lounge', 'jazz', 'illstreet', 'brazil']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.411318'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b9048372-7f8e-4f03-9a5d-937f963deb58')

========================== row from database ==========================
                                              'id'  973836
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Hammond Bossa from Brazil (2007)/06. Beloved Melancholy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  6510193
                                           'mtime'  1620529845
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country from Brazil (2007) 06. prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Walter Wanderley
                                     'tag_release'  Hammond Bossa From Brasil
                                       'tag_title'  Beloved Melancholy (Saudade Querida)
                                             'bpm'  144.233
                                    'search_title'  'beloved':1 'melancholy':2 'querida':5,6 'saudade':3,4
                                   'search_artist'  'walter':1 'wanderley':2
                                  'search_release'  'bossa':2 'brasil':4 'from':3 'hammond':1
                                     'search_rest'  '06':9,10 '2007':7,8 'bossa':15 'brazil':6 'country':4 'exotica':2 'from':5 'jazz':1 'jb':12 'lounge':13 'oldies':3 'or':14 'prerock':11
                                    'search_combo'  '06':21,22 '2007':19,20 'beloved':1A 'bossa':10C,27 'brasil':12C 'brazil':18 'country':16 'exotica':14 'from':11C,17 'hammond':9C 'jazz':13 'jb':24 'lounge':25 'melancholy':2A 'oldies':15 'or':26 'prerock':23 'querida':5A,6A 'saudade':3A,4A 'walter':7B 'wanderley':8B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['bossa nova', 'lounge', 'jazz', 'illstreet', 'brazil']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620529845.0242279  (2021-05-09 05:10:45)
                             'size'  6510193