======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '414'
                                          'artist'  'Above & Beyond'
                                     'text_people'  ''
                                         'release'  '1001'
                                           'title'  '1001 (Extended Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['vocal trance', 'dance', 'trance', 'uplifting trance', 'progressive "
 "trance', 'electronic']")
                                     'discogstags'  "['progressive trance', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '02'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '127.846'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '1001'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         '1001 (Extended Mix)'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Above & Beyond'
'TPE2' (Band/orchestra/accompaniment)               'Above & Beyond'
'TPOS' (Part of a set)                              '01'
'TRCK' (Track number/Position in set)               '02/02'
'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'                                  ['progressive trance', 'electronic']
'TXXX:lastfmtags'                                   ['vocal trance',
 'dance',
 'trance',
 'uplifting trance',
 'progressive trance',
 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.40 dB'
'TXXX:replaygain_track_peak'                        '0.339566'

========================== row from database ==========================
                                              'id'  1294521
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/02-above_and_beyond-1001_(extended_mix)-spk.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  414
                                           'genre'  electronic-th-trance
                                        'filesize'  16626069
                                           'mtime'  1621696710
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 02 above_and_beyond 1001_(extended_mix) spk electronic th trance
                                      'tag_artist'  Above & Beyond
                                     'tag_release'  1001
                                       'tag_title'  1001 (Extended Mix)
                                             'bpm'  127.846
                                    'search_title'  '1001':1 'extended':2,3 'mix':4,5
                                   'search_artist'  'above':1 'beyond':2
                                  'search_release'  '1001':1
                                     'search_rest'  '00poprockelectronic':1 '1001':10,13 'above':7 'and':8 'beyond':9 'electronic':17 'extended':11,14 'files':5,6 'loose':3,4 'mix':12,15 'spk':16 'th':18 'trance':19 'unsorted':2
                                    'search_combo'  '00poprockelectronic':9 '1001':1A,8C,18,21 'above':6B,15 'and':16 'beyond':7B,17 'electronic':25 'extended':2A,3A,19,22 'files':13,14 'loose':11,12 'mix':4A,5A,20,23 'spk':24 'th':26 'trance':27 'unsorted':10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11A
                                           '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-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['vocal trance', 'dance', 'trance', 'uplifting trance', 'progressive trance', 'electronic']
                                        'tag_date'  2017
                                     'discogstags'  ['progressive trance', 'electronic']

============================== file details ==============================
                                           'mtime'  1621696710.0145783  (2021-05-22 17:18:30)
                             'size'  16626069