======================== unified (from filesystem) ========================
                                         'bitrate'  '193.261'
                                        'duration'  '121'
                                          'artist'  'Del Ray and The Roamers'
                                     'text_people'  ''
                                         'release'  'Office Naps Youtube Channel'
                                           'title'  'La Macarena (The Bull Fight Song) '
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '143.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Office Naps Youtube Channel'
'TBPM' (BPM (beats per minute))                     '143.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'La Macarena (The Bull Fight Song) '
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Del Ray and The Roamers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:other'                                        '28kbit_AAC)'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.243478'

========================== row from database ==========================
                                              'id'  1120367
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Office Naps Youtube Channel (Ripped 05 09 16)/Del Ray and The Roamers_ _La Macarena (The Bull Fight Song)_ (128kbit_AAC).mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  121
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2928537
                                           'mtime'  1620538847
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Ripped 05 09 16) Roamers_ _La Song)_ (128kbit_AAC) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Del Ray and The Roamers
                                     'tag_release'  Office Naps Youtube Channel
                                       'tag_title'  La Macarena (The Bull Fight Song) 
                                             'bpm'  143.2
                                    'search_title'  'bull':5 'fight':6 'la':1 'macarena':2 'song':7,8 'the':3,4
                                   'search_artist'  'and':3 'del':1 'ray':2 'roamers':5 'the':4
                                  'search_release'  'channel':4 'naps':2 'office':1 'youtube':3
                                     'search_rest'  '128kbit':9,11 '16':3,4 'aac':10,12 'bossa':19 'exotica':18 'jazz':15 'jb':14 'la':6 'lounge':16 'or':17 'prerock':13 'ripped':1,2 'roamers':5 'song':7,8
                                    'search_combo'  '128kbit':26,28 '16':20,21 'aac':27,29 'and':11B 'bossa':36 'bull':5A 'channel':17C 'del':9B 'exotica':35 'fight':6A 'jazz':32 'jb':31 'la':1A,23 'lounge':33 'macarena':2A 'naps':15C 'office':14C 'or':34 'prerock':30 'ray':10B 'ripped':18,19 'roamers':13B,22 'song':7A,8A,24,25 'the':3A,4A,12B 'youtube':16C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538847.2195923  (2021-05-09 07:40:47)
                             'size'  2928537