======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '323'
                                          'artist'  'Mor Elian'
                                     'text_people'  ''
                                         'release'  'Fairplex Drive EP'
                                           'title'  'Gamma Gulch'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['house', 'techno', 'electronic', 'electro']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '124.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Fairplex Drive EP'
'TBPM' (BPM (beats per minute))                     '124.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TCOP' (Copyright message)                          'Radio Matrix'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Gamma Gulch'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mor Elian'
'TPE2' (Band/orchestra/accompaniment)               'Mor Elian'
'TPOS' (Part of a set)                              '1'
'TRCK' (Track number/Position in set)               '2'
'TSRC' (ISRC (international standard recording code))  'NLL561707254'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.71.100'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['house', 'techno', 'electronic', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.12 dB'
'TXXX:replaygain_track_peak'                        '0.532252'

========================== row from database ==========================
                                              'id'  1380647
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mor Elian - Fairplex Drive/02 Gamma Gulch.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  323
                                           'genre'  electronic-th-techno
                                        'filesize'  12948983
                                           'mtime'  1620571404
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 electronic th techno
                                      'tag_artist'  Mor Elian
                                     'tag_release'  Fairplex Drive EP
                                       'tag_title'  Gamma Gulch
                                             'bpm'  124.0
                                    'search_title'  'gamma':1 'gulch':2
                                   'search_artist'  'elian':2 'mor':1
                                  'search_release'  'drive':2 'ep':3 'fairplex':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'techno':4 'th':3
                                    'search_combo'  '00poprockelectronic':8 'drive':6C 'electronic':9 'elian':4B 'ep':7C 'fairplex':5C 'gamma':1A 'gulch':2A 'mor':3B 'techno':11 'th':10
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'techno', 'electronic', 'electro']
                                        'tag_date'  2018
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571403.9620454  (2021-05-09 16:43:23)
                             'size'  12948983