======================== unified (from filesystem) ========================
                                         'bitrate'  '230.809'
                                        'duration'  '582'
                                          'artist'  'sunn o)))'
                                     'text_people'  ''
                                         'release'  'Monoliths & Dimensions'
                                           'title'  'Big church'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '04'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '89.6'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monoliths & Dimensions'
'TBPM' (BPM (beats per minute))                     '89.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Big church'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'sunn o)))'
'TRCK' (Track number/Position in set)               '02/04'
'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:lastfmtags'                                   ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.44 dB'
'TXXX:replaygain_track_peak'                        '0.505820'

========================== row from database ==========================
                                              'id'  1386055
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/sunn o))) - 2009 - monoliths & dimensions/02 - big church [megszentségteleníthetetlenségeskedéseitekért]_.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  582
                                           'genre'  electronic-ambient-dark
                                        'filesize'  16814417
                                           'mtime'  1636910263
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient 2009 monoliths dimensions 02 big [megszentségteleníthetetlenségeskedéseitekért]_ electronic ambient dark
                                      'tag_artist'  sunn o)))
                                     'tag_release'  Monoliths & Dimensions
                                       'tag_title'  Big church
                                             'bpm'  89.6
                                    'search_title'  'big':1 'church':2
                                   'search_artist'  'o':2,3 'sunn':1
                                  'search_release'  'dimensions':2 'monoliths':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2009':3 'ambient':12 'big':6 'dark':13 'dimensions':5 'electronic':11 'megszentsegtelenithetetlensegeskedeseitekert':7,8,9,10 'monoliths':4
                                    'search_combo'  '00ambient':9 '00poprockelectronic':8 '2009':10 'ambient':19 'big':1A,13 'church':2A 'dark':20 'dimensions':7C,12 'electronic':18 'megszentsegtelenithetetlensegeskedeseitekert':14,15,16,17 'monoliths':6C,11 'o':4B,5B 'sunn':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'ambient', 'drone', 'doom metal', 'drone doom']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910262.6308146  (2021-11-14 18:17:42)
                             'size'  16814417