======================== unified (from filesystem) ========================
                                         'bitrate'  '245.389'
                                        'duration'  '411'
                                          'artist'  'Peet'
                                     'text_people'  ''
                                         'release'  'ZYX 82656-2'
                                           'title'  'Father & Son (Microtrauma Remix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['experimental', 'rap', 'nintendocore', 'grindcore', '8-bit']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '24'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '127.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '...'
'TALB' (Album/Movie/Show title)                     'ZYX 82656-2'
'TBPM' (BPM (beats per minute))                     '127.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'LAME Encoder'
'TIT2' (Title/songname/content description)         'Father & Son (Microtrauma Remix)'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Peet'
'TRCK' (Track number/Position in set)               '24'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['experimental', 'rap', 'nintendocore', 'grindcore', '8-bit']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.30 dB'
'TXXX:replaygain_track_peak'                        '0.536971'

========================== row from database ==========================
                                              'id'  1325470
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/304_peet_-_father_and_son_(microtrauma_remix).mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  411
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  12636797
                                           'mtime'  1621085258
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lanig 304_peet_ _father_and_son_(microtrauma_remix) electronic techno minimal or deephouse
                                      'tag_artist'  Peet
                                     'tag_release'  ZYX 82656-2
                                       'tag_title'  Father & Son (Microtrauma Remix)
                                             'bpm'  127.0
                                    'search_title'  'father':1 'microtrauma':3,4 'remix':5,6 'son':2
                                   'search_artist'  'peet':1
                                  'search_release'  '2':3 '82656':2 '826562':4 'zyx':1
                                     'search_rest'  '00poprockelectronic':1 '304':3 'and':6,11 'deephouse':19 'electronic':15 'father':5,10 'lanig':2 'microtrauma':8,13 'minimal':17 'or':18 'peet':4 'remix':9,14 'son':7,12 'techno':16
                                    'search_combo'  '00poprockelectronic':12 '2':10C '304':14 '82656':9C '826562':11C 'and':17,22 'deephouse':30 'electronic':26 'father':1A,16,21 'lanig':13 'microtrauma':3A,4A,19,24 'minimal':28 'or':29 'peet':7B,15 'remix':5A,6A,20,25 'son':2A,18,23 'techno':27 'zyx':8C
                                    'tag_tracknum'  24
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['experimental', 'rap', 'nintendocore', 'grindcore', '8-bit']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085257.9695456  (2021-05-15 15:27:37)
                             'size'  12636797