======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '276'
                                          'artist'  'Blank & Jones'
                                     'text_people'  ''
                                         'release'  'Café del Mar - Volumen Diez'
                                           'title'  'The Hardest Heart (Ambient mix) (feat. Anne Clark)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'trance', 'electronic', 'progressive trance', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '135.004'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Café del Mar - Volumen Diez'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TIT2' (Title/songname/content description)         'The Hardest Heart (Ambient mix) (feat. Anne Clark)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blank & Jones'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'trance', 'electronic', 'progressive trance', 'chillout']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.428149'

========================== row from database ==========================
                                              'id'  1300984
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Blank & Jones__Cafe del Mar - Volumen Diez__cifsd5ae.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  276
                                           'genre'  electronic-th-trance
                                        'filesize'  8851124
                                           'mtime'  1621696758
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Jones__Cafe Diez__cifsd5ae electronic th trance
                                      'tag_artist'  Blank & Jones
                                     'tag_release'  Café del Mar - Volumen Diez
                                       'tag_title'  The Hardest Heart (Ambient mix) (feat. Anne Clark)
                                             'bpm'  135.004
                                    'search_title'  'ambient':4,5 'anne':10 'clark':11,12 'feat':8,9 'hardest':2 'heart':3 'mix':6,7 'the':1
                                   'search_artist'  'blank':1 'jones':2
                                  'search_release'  'cafe':1,2 'del':3 'diez':6 'mar':4 'volumen':5
                                     'search_rest'  '00poprockelectronic':1 'cafe':8 'cifsd5ae':10 'diez':9 'electronic':11 'files':5,6 'jones':7 'loose':3,4 'th':12 'trance':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':21 'ambient':4A,5A 'anne':10A 'blank':13B 'cafe':15C,16C,28 'cifsd5ae':30 'clark':11A,12A 'del':17C 'diez':20C,29 'electronic':31 'feat':8A,9A 'files':25,26 'hardest':2A 'heart':3A 'jones':14B,27 'loose':23,24 'mar':18C 'mix':6A,7A 'th':32 'the':1A 'trance':33 'unsorted':22 'volumen':19C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'electronic', 'progressive trance', 'chillout']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696758.168383  (2021-05-22 17:19:18)
                             'size'  8851124