======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '461'
                                          'artist'  'Haldolium'
                                     'text_people'  ''
                                         'release'  'Lowlights'
                                           'title'  'Running (Original Mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  ("['psychedelic', 'progressive psytrance', 'psychedelic trance', 'progressive "
 "trance', 'psytrance']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '10'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '134.0'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Lowlights'
'TBPM' (BPM (beats per minute))                     '134.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Running (Original Mix)'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Haldolium'
'TPE2' (Band/orchestra/accompaniment)               'Haldolium'
'TRCK' (Track number/Position in set)               '03/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['psychedelic',
 'progressive psytrance',
 'psychedelic trance',
 'progressive trance',
 'psytrance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.15 dB'
'TXXX:replaygain_track_peak'                        '0.533482'

========================== row from database ==========================
                                              'id'  1308751
                                            'path'  /data/Music/Bulk/00poprockelectronic/Haldolium/(2012) Lowlights/03. Running (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  461
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  18494825
                                           'mtime'  1620569676
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2012) 03. electronic th trance goa or psy
                                      'tag_artist'  Haldolium
                                     'tag_release'  Lowlights
                                       'tag_title'  Running (Original Mix)
                                             'bpm'  134.0
                                    'search_title'  'mix':4,5 'original':2,3 'running':1
                                   'search_artist'  'haldolium':1
                                  'search_release'  'lowlights':1
                                     'search_rest'  '00poprockelectronic':1 '03':4,5 '2012':2,3 'electronic':6 'goa':9 'or':10 'psy':11 'th':7 'trance':8
                                    'search_combo'  '00poprockelectronic':8 '03':11,12 '2012':9,10 'electronic':13 'goa':16 'haldolium':6B 'lowlights':7C 'mix':4A,5A 'or':17 'original':2A,3A 'psy':18 'running':1A 'th':14 'trance':15
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['psychedelic', 'progressive psytrance', 'psychedelic trance', 'progressive trance', 'psytrance']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620569676.297033  (2021-05-09 16:14:36)
                             'size'  18494825