======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '164'
                                          'artist'  'Carlos Gardel'
                                     'text_people'  ''
                                         'release'  'Tellus #16: Tango'
                                           'title'  'Melodia De Arrabel'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['tango argentino', 'argentina', 'latin', 'oldies', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '117.4'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tellus #16: Tango'
'TBPM' (BPM (beats per minute))                     '117.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-oddness', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'Melodia De Arrabel'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Carlos Gardel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['tango argentino', 'argentina', 'latin', 'oldies', 'tango']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.53 dB'
'TXXX:replaygain_track_peak'                        '0.339516'

========================== row from database ==========================
                                              'id'  281314
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tellus Audio Cassette Magazine/1986 - Tellus #16 - Tango/01 - Carlos Gardel - Melodia De Arrabel.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  164
                                           'genre'  electronic-experimental-oddness;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4243884
                                           'mtime'  1636915910
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Audio Cassette Magazine 1986 01 electronic experimental oddness;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Carlos Gardel
                                     'tag_release'  Tellus #16: Tango
                                       'tag_title'  Melodia De Arrabel
                                             'bpm'  117.4
                                    'search_title'  'arrabel':3 'de':2 'melodia':1
                                   'search_artist'  'carlos':1 'gardel':2
                                  'search_release'  '16':2,3 'tango':4 'tellus':1
                                     'search_rest'  '1986':4 'audio':1 'cassette':2 'electronic':5 'experimental':6 'magazine':3 'mor':16 'oddness':7,9 'pl':11 'set':8,10,13,15 'shirleyspinoza':12,14
                                    'search_combo'  '16':7C,8C '1986':13 'arrabel':3A 'audio':10 'carlos':4B 'cassette':11 'de':2A 'electronic':14 'experimental':15 'gardel':5B 'magazine':12 'melodia':1A 'mor':25 'oddness':16,18 'pl':20 'set':17,19,22,24 'shirleyspinoza':21,23 'tango':9C 'tellus':6C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['tango argentino', 'argentina', 'latin', 'oldies', 'tango']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636915910.3486412  (2021-11-14 19:51:50)
                             'size'  4243884